A modern jet aeroplane equipped with inboard and outboard ailerons plus roll controlspoilers is cruising at its normal cruise Mach number:A) the inboard and outboard ailerons are active, the spoilers may be active.B) only the inboard ailerons are active, the spoilers may be active.C) only the spoilers will be active, not the ailerons.D) only the outboard ailerons are active, the spoilers may be active.

Answers

Answer 1

A modern jet airplane equipped with inboard and outboard ailerons plus roll control spoilers is cruising at its normal cruise Mach number. In this scenario, option A is correct.

Both the inboard and outboard ailerons are active, and the spoilers may also be active. The inboard and outboard ailerons work together to control the roll of the aircraft, while the spoilers help to increase drag and reduce lift, allowing for more precise control of the aircraft's roll. So, both of these control surfaces would be active during normal cruise.

Roll control spoilers are also typically installed on modern jet airplanes to assist with roll control. These spoilers can be deployed on one wing to create more drag and lift, which causes the aircraft to roll in the opposite direction. In cruise flight, the spoilers may be used to assist the ailerons in controlling the roll of the aircraft, but they are not usually the primary means of roll control.

The correct option is A.

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Related Questions

if you need to injection mold a plastic drinking cup, what type of mold would you use? where would you gate it and why?

Answers

If you need to injection mold a plastic drinking cup, you would use a two-plate mold. It is the simplest injection mold type and consists of two plates, the moving side (also called the ejector plate) and the fixed side (also called the cavity plate), which open and close to allow the plastic material to fill the mold cavity.

The cavity is where the part is formed, and the sprue, runners, and gates form the flow path that the plastic material takes to fill the cavity. The gate location is typically at the thickest part of the part to ensure that the material fills the part before the gate solidifies and freezes.

It is a critical element that can affect part quality and cycle time.The best gate location for a drinking cup would be on the base or bottom of the cup. This is because a gate on the sidewall would result in weld lines, sink marks, or flash that would compromise the part's aesthetics and performance.

A gate on the base would allow the material to flow evenly through the part and minimize warping and residual stress.Another advantage of gating at the base is that it would allow for automatic part ejection by the ejector pins in the mold's moving side, which would save time and labor costs.

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Polarization: Unpolarized light passes through three ideal polarizing filters. The first filter is oriented with a horizontal transmission axis, the second one has its transmission axis at 30° from the horizontal, and the third filter has a vertical transmission axis. What percent of the light gets through this combination?

Answers

Answer:

the percentage of light that gets through this combination is 9.38

Explanation:

Given the data in the question;

Let us represent the incident unpolarized light with \(I_0\).

So, the amount of light intensity passing through the first polarizer will be;

\(I_1\) = \(I_0\) / 2 ------ let this be equation 1

An the amount of light intensity passing through the second polarizer will be;

\(I_2\) = \(I_1\)cos²θ

given that; the second one has its transmission axis at 30°

so, we substitute;

\(I_2\) = \(I_1\) × cos²( 30° )

\(I_2\) = \(I_1\) × 0.75

\(I_2\) = 0.75\(I_1\)

from equation; \(I_1\) = \(I_0\) / 2

\(I_2\) = 0.75( \(I_0\) / 2 )

\(I_2\) = 0.375\(I_0\) .

Now, the amount of light intensity passing through the third polarizer will be;

\(I_3\) = \(I_2\)cos² ( 90° - 30° )

\(I_3\) = \(I_2\) × cos²( 60° )

\(I_3\) = \(I_2\)  × 0.25

we substitute

\(I_3\) = 0.375\(I_0\)  × 0.25

\(I_3\) = 0.09375\(I_0\)

∴ \(I_3\)/\(I_0\) × 100 = 0.09375 × 100

9.38%

Therefore, the percentage of light that gets through this combination is 9.38

When the mass of an object decreases, the force of gravity does what?

Answers

Answer:

decreases too

Explanation:

Since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.

Answer:

decreases

Explanation:

Since the gravitational force is directly proportional to the mass of interacting objects, more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases (decreases), the force of gravitational attraction between them also increases (decreases).

From what year did 3.5G enter Vietnam?

Answers

Answer:

From what year did 3.5G enter Vietnam?

Explanation:

Vietnam does not have 3.5G network. MobiFone's first trial with 3.5G technology on this band was able to cover the whole waters of Vung Tau and Con Dao in August 2014.

Mark Brainliest please

Answer: 2011


For more info
Search “Making 3G Work in Vietnam Presented by: Marc Daniel Einstein Senior Industry Analyst October 5th, 2008 Hanoi, Vietnam.”

Write a Python program named DataByteConvert that asks the user to enter a Data in
MegaBytes (MB) Data is entered only in MegaBytes. The program will then present the
following menu of selections:
1. Convert to Bytes
2. Convert to KiloBytes (KB)
3. Convert to GigaBytes(GB)
4. Convert to TerraBytes(TB)
5. Quit the program
The program will convert the data in MegaBytes(MB) to bytes, kilobytes(KB), GigaBytes(MB),
or TerraBytes(TB), depending on the user's selection rounded to six decimals. Here are the
specific requirements:
• Write a void method named showKiloBytes, which accepts the number of
MegaBytes(MB) as an argument. The method should display the argument
converted to kilobytes(KB). Convert the MB to KB.
• Write a void method named showGigaBytes, which accepts the number of
MegaBytes(MB) as an argument. The method should display the argument
converted to Gigabytes(GB).
• Write a void method named show TerraBytes, which accepts the number of
MegaBytes(MB) as an argument. The method should display the argument
converted to TerraBytes(TB). Convert the MB to TB.
• Write a void method named showBytes, which accepts the number of MegaBytes
(MB) as an argument. The method should display the argument converted to
Bytes(B). Convert the MB to B
• Write a void method named menu that displays the menu of selections. This
method should not accept any arguments.
1. The program should continue to display the menu until the user enters 5 to quit the
program.
2. The program should not accept negative numbers for the data in MegaBytes.
3. If the user selects an invalid choice from the menu, the program should display an error
message.
4. Use Exponential format if needed when converted {:e) formats ...)
5. Use
6. Add comments to show what each function does.

Answers

The program to convert MegaBytes to either Bytes, KiloBytes, GigaBytes, or TeraBytes is found in the attached image.

The program defines five helper functions to help the program do its work. The functions are:

showBytes: Accepts an argument in megabytes, converts it by multiplying by 1048576, and prints the resultshowKiloBytes: Accepts an argument in megabytes, converts it by multiplying by 1024, and prints the resultshowGigaBytes: Accepts an argument in megabytes, converts it by dividing by 1024, and prints the resultshowTeraBytes: Accepts an argument in megabytes, converts it by dividing by 1048576, and prints the resultmenu: Displays the menu of options to either convert or quit the program

Within the Main Program, a while loop is used to make sure the menu continues to be presented to the user until the user selects the option to quit.

The inner while loop makes sure the user enters an option within the menu.

Once the user enters an option to convert, the program requests the value to be be converted, in MegaBytes. then an if statement selects the correct conversion function.

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Write a Python program named DataByteConvert that asks the user to enter a Data in MegaBytes (MB) Data

Developer wishes to construct an office building of 10,000m2 gross floor area, of which 8,000 m2will be available for letting. The construction costs are estimated to be $6,000/m2. In addition, there are ancillary construction costs of $400,000 in laying roads and sewers to the building. Professional fees are estimated to total 13% of construction costs. Short-term finance is available at 16%. The expected rent is $3,000/m2 p.a. net. The developer wishes to see a return for risk and profit of 20% of development value. The pre-contract period is expected to be 6 months, the building work is estimated to take 15 months, and a period of 3 months has been allowed for letting. The developer intends to sell the completed and fully let development to a financial institution, and it is anticipated that an initial yield of 7% will be required. Within these parameters, the value of the site has to be established.

Answers

The value of the site is $10,472,000.

Here are the calculations:

The total construction costs are:

$6,000/m2 * 10,000m2 + $400,000 = $64,000,000

The professional fees are:

$64,000,000 * 0.13 = $8,320,000

The total development costs are:

$64,000,000 + $8,320,000 = $72,320,000

The developer's return for risk and profit is:

$72,320,000 * 0.20 = $14,464,000

The total cost of the development is:

$72,320,000 + $14,464,000 = $86,784,000

The expected rent is:

$3,000/m2 * 8,000m2 * 12 months = $28,800,000

The initial yield is:

$28,800,000 * 0.07 = $2,016,000

The value of the site is:

$86,784,000 - $2,016,000 = $10,472,000

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cse/eee 120 capstone design project home security gate controller project summary the goal of this project is to design a gate controller for a home security system. the project is now in the prototype stage, where a simplified version of the home security system will be built. the system operates in the following manner:

Answers

We created a program that alternates between the localization, steering, and navigation modules. The navigation module implements a routing algorithm and selects the global route.

What is program?

A program is described as a set of instructions that a computer executes to do a certain activity. Study programs are made to fit your specific learning needs and get you ready for more education, training, or work.

Navigation modules are defined as the interactions that let users move between, inside of, and outside of the various pieces of content in your app. Extra parts are frequently included in the modules to make the sensor easier to use.

Thus, we created a program that alternates between the localization, steering, and navigation modules. The navigation module implements a routing algorithm and selects the global route.

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1 .8 A capillary tube is immersed vertically in a water container. Knowing that water (3) starts to evaporate when the pressure drops below 2 kPa, determine the maximum capillary rise and tube diameter for this maximum-rise case. Take the contact angle at the inner wall of the tube to be 6 0 and the surface tension to be 1.00 N/m

Answers

The maximum capillary rise and tube diameter for this maximum-rise case will be d=0.414× 10⁻⁴ m.

What do you mean by tube?

A tube, also known as tubing, is a long hollow cylinder that is used to transport fluids (liquids or gases) or to protect electrical and optical cables and wires.

Given that, P = 4 KPa

Contact angle = 6°

Surface tension = 1 N/m

Lets assume that atmospheric pressure = 100 KPa

Lets take that density of water = 1000kg/m³

So the capillarity rise h

h=ΔP/ρg

h= (100×1000-4×1000)/(1000×10)

h= 9.61 m

We know that for capillarity rise h

h=2σcosθ/rρg

r = 2σcosθ/hρg

r = (2×1cos4°)/(9.61×1000×10)

r = 0.207×10⁻⁴m

d=0.414× 10⁻⁴ m

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A conceptual issue can be resolved by which of the following?

Answers

Answer:

Investigation or empircial research

Explanation:

gimme brainliest pls

Given that the scheduling policy is RR, complete the timing/Gantt chart below for the following processes in the queue (use Tc= 100% and Tg = 40 us if relevant ... assume that it takes Tito bring in an old pracess or preempt a process... also assume that the process using the CPU is not allowed to compete for next quantum): P1, requiring 80 ms arrives in the queue at (t+0) P2, requiring 30 ms arrives in the queue at (t+25) P3, requiring 50 the arrives in the queue at (t+35) AX Id- P3 t10 t-100 t.200 t#300

Answers

If the value of time quantum is too short then the large number of context switching (hold the process after given time quantum is finish) will happen & hence:

1. It will increase the average waiting time

2.It will increase the turnaround time

3.It will lower the Throughout.

What is turnaround time?

The time span between when a process is submitted and when it is finished is known as turnaround time (TAT). It can also be viewed as the total of the times spent waiting to execute on the CPU, waiting to enter memory, or waiting in the ready queue. Turnaround time is a crucial metric for assessing an operating system's scheduling algorithms.

Lead time and cycle time are similar ideas, while turnaround time is an opposite idea. Units of time are used to express turnaround time for various system states and occasionally for particular algorithms. Different applications and programming languages require different amounts of time to complete.

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2. a wheel tractor-scraper is operating on a level grade. assume no power derating is required for equipment condition, altitude, and temperature. use equipment data from figure 6.10. a) disregarding traction limitations, what is the maximum value of rolling resistance (in lb/ton) over which the fully loaded unit can maintain a speed of 15 mph? b) what minimum value of coefficient of traction between the tractor wheels and the traveling surface is needed to satisfy the requirements of part a? for the fully loaded condition, 52% of the weight is distributed to the drive axle. the operating weight of the empty scraper is 74,946 lb.

Answers

We can see here that the maximum value of rolling resistance over which a loaded scraper can maintain is: 780 lb/ton

What is a maximum rolling resistance?

Rolling resistance is the force that resists the motion of a rolling object on a surface. Maximum rolling resistance refers to the highest level of resistance that an object can encounter while rolling on a particular surface.

For a fully loaded condition:

15mph speed, 52% resistanceGrade resistance = 0%

The total resistance = (gross + rolling) resistance

52% = 0% - rolling resistance

rolling resistance = 52%

The maximum rolling resistance = rolling resistance percentage × speed

The maximum rolling resistance = 52% (15 lb/ton)/(1% resistance)

The maximum rolling resistance = 780 lb/ton

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3. (a) Describe the procedure of measuring the depth of modulation of an amplitude modulated (AM) wave using an oscilloscope with the internal timebase switched off and sketch the displayed waveform. (6 marks)​

Answers

To measure the depth of modulation of an amplitude modulated (AM) wave using an oscilloscope with the internal timebase switched off, follow these steps:

1. Connect the output of the AM transmitter to the vertical input of the oscilloscope.
2. Connect a DC voltmeter across the output of the AM transmitter.
3. Set the oscilloscope to DC coupling and adjust the vertical sensitivity so that the AM waveform is clearly visible on the screen.
4. Adjust the horizontal position of the waveform so that the unmodulated carrier is centered on the screen.
5. Adjust the DC voltmeter to read the unmodulated carrier voltage.
6. Adjust the AM modulation depth so that the AM waveform just reaches the maximum and minimum levels of the carrier waveform.
7. Read the DC voltmeter again to determine the new carrier voltage.
8. Calculate the modulation depth using the formula:

Modulation Depth = (Vmax - Vmin) / (Vmax + Vmin)

Where Vmax is the carrier voltage with modulation and Vmin is the carrier voltage without modulation.

The displayed waveform will show the unmodulated carrier waveform centered on the screen, with the modulated waveform superimposed on it. The depth of modulation can be determined by measuring the maximum and minimum levels of the modulated waveform and calculating the modulation depth using the formula above.

29 10 1 point According to Gate Theory, which of the following factors can make you more sensitive to pain? Placebo effects Competing signals, like rubbing your elbow Chronic stress High levels of arousal 30 1 point Patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers. True False 31 1 point What happens when people lose their sense of smell (olfaction)? They often become manic. 32 Not much. Olfaction is not a very important sense for humans. They compensate by developing an increased sensitivity to taste (gustation). They often become depressed. 1 point The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them. True False

Answers

The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

Gate Theory states that competing signals such as rubbing your elbow can make you more sensitive to pain. This theory suggests that physical signals such as massage, pressure, heat, or cold can block the transmission of pain messages through the spinal cord and prevent them from reaching the brain. Therefore, when people rub their elbows or apply pressure to the area, this stimulates the non-painful touch fibers and decreases the transmission of the painful stimuli.

As per the statement, patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers is True. Olfaction is a very important sense for humans, and they often become depressed when they lose their sense of smell (olfaction). The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

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High-mount stop lamps are typically attached to the exterior of the vehicle using:
A. nylon retainers.
B. visible screws.
C. rivets
D. self-locking nuts.

Answers

Answer:

Option A

Explanation:

Nylon retainers are knocking screws that have nylon coating on their thread which prevents them from loosening. It generally has two heads Hex Key an star screw. For high mount fixing, star screw is used as it is less prone to stripping. The nylon insert of a Nylock nuts enters into the screw and prevent it from loosening. It is useful in areas where there is high vibration.

Hence, option A is correct

in matlab
generates 10 random numbers between 0 and U whre U is a user-defined upper limit
read an existing file(randomnumbers.csv)
add the generate numbers to the file and save the file

Answers

Below is the program in C++ for generating 10 random numbers.

Coding Part:

#include <iostream>

#include <random>

int main() {

   int minimum, maximum;

   std::cin >> minimum >> maximum;

   // Create a random number generator

   std::random_device rd;

   std::mt19937 gen(rd());

   // We want all random numbers with-in [minimum, maximum]

   std::uniform_int_distribution<> dis(minimum, maximum);

   // Print 10 random numbers    

   for (int i=0; i<10; ++i)

       std::cout << dis(gen) << "\n";

}

What is Programming in C++?

C++ is an object-oriented programming (OOP) language that many consider to be the best for developing large-scale applications. C++ is a subset of the C programming language.

Java is a programming language that is similar to C++ but is optimized for the distribution of program objects over a network such as the Internet. Java is simpler and easier to learn than C++, and it has features that give it other advantages over C++. Both languages, however, necessitate extensive study.

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An empty car on a steep street rolls downhill and collides with a concrete wall. The car is damaged, but the concrete wall isn’t. What’s true about the strength of the forces in this situation?
A. The force on the car was greater because it was moving
B. The force on the wall was greater because it wasn't damaged
C. The forces exerted by the car and wall were equal
D. No forces were exerted in this collision because the car was empty

Answers

Answer:

A. The force on the car was greater since it was moving

Explanation:

Hope this helps : )

Answer:  C. The forces exerted by the car and wall were equal

Explanation:  Isaac Newton’s third law states if an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A.

paging with TLB and paging without TLB

Answers

Paging with TLB: is a memory management process in which a buffer is used to store recently accessed page table entries.
Paging without TLB: is a memory management process in which the page table entries are accessed directly from memory.

What is memory ?

Memory is the faculty of the brain by which information is encoded, stored, and retrieved when needed. It is the processes that is used to acquire, store, retain, and later retrieve information. Memory is often understood as an informational processing system with explicit and implicit functioning that is made up of a sensory processor, short-term (or working) memory, and long-term memory.

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"hapter One Review Questions 1. Where did the Industrial Revolution start and why did it begin there? 2. What does "emerging" mean, emerging technologies and how are they found? 3. What makes "emerging technologies" happen and what impact will they have on Individuals, Society, and Environment?​

Answers

An agrarian and handicraft economy was replaced by one that was dominated by industry and machine manufacturing during the Industrial Revolution in modern history. The world as a whole was affected by this process after it started in Britain in the 18th century.

The first three industrial revolutions were which three?

These first three industrial revolutions shaped our contemporary society. The world we live in underwent a fundamental transformation with the advent of each of these three innovations: the steam engine, the age of science and mass production, and the rise of digital technology. And right now, it's taking place once more, for the fourth time.

The term is frequently used to describe emerging technologies, or those expected to become available in the next five to ten years. It is typically reserved for technologies that are having, or are anticipated to have, significant social or economic effects.

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what is the predicate ___ for the following query and its result? ?- ____(f(a,b),f,a). a = 2 f = f

Answers

The query's 'f/3' predicate determines the outcome, which is dependent on the specific information and guidelines laid down in the Prologue knowledge base.

The outcome will be 'true' if the query matches a rule or fact in the Prologue knowledge base.

However, it is impossible to deliver the precise outcome without access to the particular Prologue knowledge base or rules.

'?- f(a,b), f(a).' calls the predicate 'f/3' with the arguments 'f(a,b)', 'f', and 'a'. Whether there is a rule or fact that meets these arguments and evaluates to "true" in the Prologue knowledge base will determine the outcome.

Thus, this is the predicate for the given query.

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Assume you have two antennas at the transmitter. 1. Can repetition coding (in time) be used for a low latency transmission reliably? 2. Will space-time coding help improve latency at the cost of lowering reliability as compared to (1)?

Answers

1. Repetition coding in time can be used for low-latency transmission reliably.

2. Space-time coding can improve latency at the cost of lower reliability compared to repetition coding.

Repetition coding in time involves transmitting the same information multiple times within a short time interval. This technique can be effective for low-latency transmission because it allows the receiver to receive multiple copies of the data, increasing the chances of successful decoding. By receiving redundant copies of the transmitted signal, the receiver can detect and correct errors, enhancing the reliability of the transmission. The simplicity of repetition coding makes it suitable for low-latency applications where reliability is a critical factor.

Space-time coding, on the other hand, aims to exploit the spatial dimensions by using multiple antennas at the transmitter. It involves transmitting different versions of the data simultaneously from each antenna. Space-time coding can help improve latency because it allows for parallel transmission of data streams, increasing the overall data rate. However, this increased data rate comes at the cost of lower reliability. Space-time coding relies on the assumption that the channel conditions between the transmitter and receiver remain relatively constant over the transmission duration. If the channel conditions change rapidly, such as in a highly mobile environment, the reliability of space-time coding may decrease.

In summary, repetition coding in time can be used for low-latency transmission reliably due to its ability to provide redundant copies of the data, increasing the chances of successful decoding. Space-time coding can improve latency but may have lower reliability compared to repetition coding, especially in environments with rapidly changing channel conditions.

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From the list below, select all of the following that represent acceptable units for the rate of heat transfer.
a.) kilowatt
b.) watt
c.) kilojoule
d.) kilojoule per kilogram
e.) joule per kilogram

Answers

The rate of heat transfer represents the amount of heat transferred per unit time. It is crucial to use the correct units when measuring this rate. From the list provided, the acceptable units for the rate of heat transfer are:
a.) Kilowatt (kW)
b.) Watt (W)

Kilowatt and watt are both units of power, which is the rate of energy transfer per unit time. In the context of heat transfer, they indicate how quickly heat is being transferred. A kilowatt is equal to 1,000 watts.

Units c, d, and e are not appropriate for measuring the rate of heat transfer. Kilojoule (kJ) and joule (J) are units of energy, not power, and are used to quantify the amount of heat transferred rather than the rate at which it is transferred. Kilojoule per kilogram (kJ/kg) and joule per kilogram (J/kg) are specific energy units, representing the energy per unit mass, and are also not suitable for measuring the rate of heat transfer.

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14. since vout is connected directly to v-, what do you think the output would be equal to in this circuit? assume that v-

Answers

if vout is connected directly to v-, the output voltage would be equal to the voltage at v-.

Assuming that v- is a stable reference voltage, this means that the output voltage would be constant and not affected by changes in the input voltage or any other components in the circuit. However, if v- is not a stable reference voltage, the output voltage would fluctuate accordingly.

It is also worth noting that if vout is connected directly to v-, this would typically result in a short circuit. In a practical circuit, this would likely cause significant current to flow and could potentially damage components in the circuit. Therefore, it is important to design circuits carefully and ensure that all connections are made correctly to avoid unintended consequences.

In summary, the output voltage in a circuit where vout is connected directly to v- would typically be equal to the voltage at v-, assuming that v- is a stable reference voltage. However, this type of connection could result in a short circuit and potential damage to components, so it is important to design circuits carefully and make all connections correctly.

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A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes through the center of gravity of the box. The box is 5m wide x 5m tall, and the coefficient of static friction between the box and the surface is u=0.15. Determine the smallest magnitude of the force P that will cause the box to slip or tip first. Specify what will happen first, slipping or tipping.

A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes

Answers

Answer:

SECTION LEARNING OBJECTIVES

By the end of this section, you will be able to do the following:

Distinguish between static friction and kinetic friction

Solve problems involving inclined planes

Section Key Terms

kinetic friction static friction

Static Friction and Kinetic Friction

Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.

There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.

Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.

Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.

Production phase of the ICT lifecycle?

Answers

The basic scheme of a product life cycle includes the three phases production, use and end of life. In the production phase, raw materials are transformed into the product. In the use phase, the product delivers the service it has been intended for.

Explanation:

For the following voltage and current phasors, calculate the complex power, apparent power, real power, and reactive power. Determine whether the power factor is leading or lagging.
V= 220 ∠ 30∘ V rms, I= 0.5∠ 60∘ A rms

Answers

The complex power is 110∠-30° VA, apparent power is 110 VA, real power is 95.26 W, reactive power is -55 VAR, and the power factor is lagging.

Given the voltage and current phasors V=220∠30° V rms and I=0.5∠60° A rms, we can calculate the complex power (S) using the formula S=V*I_conjugate. The conjugate of I is I*=0.5∠-60° A rms.

Multiplying the phasors, we get S=110∠-30° VA.

The apparent power (|S|) is the magnitude of S, which is 110 VA.

The real power (P) is the horizontal component of S, calculated as P=|S|*cos(θ), resulting in P=110*cos(-30°) = 95.26 W.

The reactive power (Q) is the vertical component, calculated as Q=|S|*sin(θ), resulting in Q=110*sin(-30°) = -55 VAR.

Since Q is negative, the power factor is lagging.

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What relates a landscape architect's knowledge of design to the landscape architect's knowledge of law and government?

Answers

Answer:

The landscape architect uses knowledge of legal requirements to inform design choices.

Explanation:

The landscape architect doesn’t only draw on knowledge of law and government to design grounds for public buildings, but will draw on that knowledge quite often on many projects. The landscape architect’s knowledge of design is not purely intuitive but is a product of study and might involve research. The landscape architect’s knowledge of law and government, however, does come into play in making design choices that are consistent with the law and government regulations.

The steel bracket is used to connect the ends of two cables. if the allowable normal stress for the steel is sallow = 30 ksi, determine the largest tensile force p that can be applied to the cables. assume the bracket is a rod having a diameter of 1.5 in.

Answers

The largest tensile force that can be applied to the cables given a rod with diameter 1.5 is 2013.15lb

The static equilibrium is given as:

F = P (Normal force)

Formula for moment at section

M = P(4 + 1.5/2)

= 4.75p

Solve for the cross sectional area

Area = \(\frac{\pi d^{2} }{4}\)

d = 1.5

\(\frac{\pi *1.5^{2} }{4}\)

= 1.767 inches²

Solve for inertia

\(\frac{\pi *0.75^4}{4}\)

= 0.2485inches⁴

Solve for the tensile force from here

\(\frac{F}{A} +\frac{Mc}{I}\)

30x10³ = \(\frac{P}{1.767} +\frac{4.75p*0.75}{0.2485} \\\\\)

30000 = 14.902 p

divide through by 14.902

2013.15 = P

The largest tensile force that can be applied to the cables given a rod with diameter 1.5 is 2013.15lb

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According to labeling theory, how can formal interventions with juveniles increase their criminal behavior
A. they teach juveniles new techniques for committing crime
B. they have a negative impact on juveniles self image
C. they weakening juveniles stake in conformity
D. they weaken juveniles respect for authority

Answers

According to labeling theory, the correct answer is B. Formal interventions with juveniles can have a negative impact on their self-image,  which can ultimately increase their criminal behavior.

This theory suggests that when individuals are labeled as criminals or delinquents by authority figures or institutions, they internalize this label and it becomes a part of their self-identity. This labeling can lead to stigmatization, lowered self-esteem, and a sense of being rejected or marginalized by society.

As a result, juveniles who have been labeled as criminals may start to adopt the characteristics and behaviors associated with that label. They may feel alienated from conventional society and develop a "deviant" self-concept, leading them to engage in further criminal behavior as a way to conform to the negative expectations placed upon them.

It is important to note that labeling theory does not suggest that formal interventions directly teach juveniles new techniques for committing crimes (A), weaken their stake in conformity (C), or weaken their respect for authority (D). Instead, it focuses on the social and psychological effects of the labeling process on an individual's self-perception and subsequent behavior.

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If = (4,0,3) =(−2,1,5). Find ||, and the vectors (+),(−) ,3 (2+5)

Answers

The vectors are magnitude of vector v is 5. The sum of vectors v1 and v2 is (+) = (2, 1, 8).  The difference between vectors v1 and v2 is (-) = (6, -1, -2). The scalar multiple of vector v1 by 3 is 3(2, 0, 3) = (12, 0, 9).

To find the magnitude (||) of a vector, we can use the formula:

||v|| = sqrt(v1^2 + v2^2 + v3^2)

Given vector v = (4, 0, 3), we can calculate its magnitude as follows:

||v|| = sqrt(4^2 + 0^2 + 3^2)

     = sqrt(16 + 0 + 9)

     = sqrt(25)

     = 5

Therefore, the magnitude of vector v is 5.

Now, let's find the sum (+) and difference (-) of the given vectors.

Given vectors v1 = (4, 0, 3) and v2 = (-2, 1, 5), the sum of these vectors is calculated by adding the corresponding components:

v1 + v2 = (4 + (-2), 0 + 1, 3 + 5)

       = (2, 1, 8)

The difference between the vectors is found by subtracting the corresponding components:

v1 - v2 = (4 - (-2), 0 - 1, 3 - 5)

       = (6, -1, -2)

Lastly, let's calculate the scalar multiple of vector v1:

3v1 = 3(4, 0, 3)

   = (12, 0, 9)

Therefore, the vectors are as follows:

- The magnitude of vector v is 5.

- The sum of vectors v1 and v2 is (+) = (2, 1, 8).

- The difference between vectors v1 and v2 is (-) = (6, -1, -2).

- The scalar multiple of vector v1 by 3 is 3(2, 0, 3) = (12, 0, 9).

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Water flows steadily through the pipe as shown below, such that the pressure at section (1) and at section (2) are 300 kPa and 100 kPa respectively. Determine the diameter of the pipe at section (2), D, if the velocity at section (1) is 20 m/sec and viscous effects are negligible.

Answers

Answer:

The velocity at section is approximately 42.2 m/s

Explanation:

For the water flowing through the pipe, we have;

The pressure at section (1), P₁ = 300 kPa

The pressure at section (2), P₂ = 100 kPa

The diameter at section (1), D₁ = 0.1 m

The height of section (1) above section (2), D₂ = 50 m

The velocity at section (1), v₁ = 20 m/s

Let 'v₂' represent the velocity at section (2)

According to Bernoulli's equation, we have;

\(z_1 + \dfrac{P_1}{\rho \cdot g} + \dfrac{v^2_1}{2 \cdot g} = z_2 + \dfrac{P_2}{\rho \cdot g} + \dfrac{v^2_2}{2 \cdot g}\)

Where;

ρ = The density of water = 997 kg/m³

g = The acceleration due to gravity = 9.8 m/s²

z₁ = 50 m

z₂ = The reference = 0 m

By plugging in the values, we have;

\(50 \, m + \dfrac{300 \ kPa}{997 \, kg/m^3 \times 9.8 \, m/s^2} + \dfrac{(20 \, m/s)^2}{2 \times 9.8 \, m/s^2} = \dfrac{100 \ kPa}{997 \, kg/m^3 \times 9.8 \, m/s^2} + \dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)50 m + 30.704358 m + 20.4081633 m = 10.234786 m + \(\dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)

50 m + 30.704358 m + 20.4081633 m - 10.234786 m = \(\dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)

90.8777353 m = \(\dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)

v₂² = 2 × 9.8 m/s² × 90.8777353 m

v₂² = 1,781.20361 m²/s²

v₂ = √(1,781.20361 m²/s²) ≈ 42.204308 m/s

The velocity at section (2), v₂ ≈ 42.2 m/s

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