A series RL low pass filter with a cut-off frequency of 4 kHz is needed. Using R-10 kOhm, Compute (a) L. (b)) at 25 kHz and (c) 870) at 25 kHz Oa 0 20 H, 0 158 and 2-30.50 Ob 525 H, 0.158 and 2-30 5 O 025 H, 0.158 and 2-80 5 Od 225 H, 1.158 and -80 5
Answers
A series RL low-pass filter has a Cutoff frequency of 4 kHz and R = 10 k. We must determine L at a frequency of 25 kHz, in addition to the voltage gain and phase angle values at this frequency.
a) Inductive reactance, X = R = 10 kΩ
Cutoff frequency (FC) = 4 kHz
Angular frequency (ω) = 2πfc = 2π × 4 kHz = 25.13 krad/s
Inductive reactance is given by the formula: X = ωL = 10 kΩ = 25.13 krad/s × L = 10 kΩ/25.13 krad/s, L = 397.6 H
b) The formula for voltage gain at 25 kHz is: Vout /Vin = 1 /√(1 + (R/XL)^2 )
At 25 kHz, the voltage gain is XL = 2πfL = 2π × 25 kHz × 397.6H = 62.8 kΩ
Vout /Vin = 1/√(1 + (10 kΩ / 62.8 kΩ)^2 ) = 0.158 or -16.99 dBc)
c) The phase angle (Φ) at 25 kHz is given by the formula: Φ = -tan^(-1) (XL/R)Φ = -tan^(-1) (62.8 kΩ / 10 kΩ)Φ = -80.5°
Therefore, the value of a series RL low-pass filter (L) is 397.6 H, the voltage gain at 25 kHz is 0.158 or -16.99 dB, and the phase angle is -80.5° at 25 kHz. The correct answer is option (c) 0.025 H, 0.158, and -80.5°.
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Related Questions
A 50-mm cube of the graphite fiber reinforced polymer matrix composite material is subjected to 125-kN uniformly distributed compressive force in the direction 2, which is perpendicular to the fiber direction (direction 1). The cube is constrained against expansion in direction 3. Determine:
a. changes in the 50-mm dimensions.
b. stresses required to provide constraints.
Answers
Answer:
hello some parts of your question is missing attached below is the missing part
answer :
A) Determine changes in the 50-mm dimensions
The changes are : 0.006mm compression in y-direction
0.002 mm expansion in x and z directions
B) the stress required are evenly distributed
Explanation:
Given data :
50-mm cube of graphite fiber reinforced polymer matrix
subjected to 125-KN force in direction 2,
direction 2 is perpendicular to fiber direction ( direction 1 ) and cube is constrained against expansion in direction 3
A) Determine changes in the 50-mm dimensions
The changes are : 0.006mm compression in y-direction
0.002 mm expansion in x and z directions
B) the stress required are evenly distributed
attached below is the detailed solution
It's the law. Under New York law, you can get a citation for riding your bike while listening to music using headphones or earbuds in both ears. It is lawful, however, to listen to music with only one earbud keeping the other ear free.
Sensory deprivation. One of the main ways that people alert each other to danger on the road is through sound. Whether it's honking, yelling or ringing a bicycle bell, you're less likely to hear any of these warnings if you're listening to music putting you at higher risk of an accident.
Decreased attention. The more stimuli you have to contend with, the more difficult it is to dedicate your full attention to one particular task. If you get caught up in a song or story you're listening to while cycling, it can increase your distractibility which could have disastrous consequences.
The majority of cycling-related accidents involve a cyclist and a motor vehicle. Not surprisingly, the injuries a cyclist suffers in such collisions tend to be disproportionately serious and often fatal. Therefore, if you're cycling in traffic, foregoing the headphones can prove to be a life-saving decision.
Answers
Answer:s
Explanation:s
It's the law. Under New York law, you can get a citation for riding your bike while listening to music using headphones or earbuds in both ears. It is lawful, however, to listen to music with only one earbud keeping the other ear free.
Sensory deprivation. One of the main ways that people alert each other to danger on the road is through sound. Whether it's honking, yelling or ringing a bicycle bell, you're less likely to hear any of these warnings if you're listening to music putting you at higher risk of an accident.
Decreased attention. The more stimuli you have to contend with, the more difficult it is to dedicate your full attention to one particular task. If you get caught up in a song or story you're listening to while cycling, it can increase your distractibility which could have disastrous consequences.
The majority of cycling-related accidents involve a cyclist and a motor vehicle. Not surprisingly, the injuries a cyclist suffers in such collisions tend to be disproportionately serious and often fatal. Therefore, if you're cycling in traffic, foregoing the headphones can prove to be a life-saving decision.
(14%) problem 2: in the three-resistor circuit diagram shown at right, r1 = 7.5 ω, r2 = 12 ω, r3 = 10.5 ω, and v = 14.5 v.
Answers
The current through each resistor is: - I1 = 1.933 A - I2 = -1.45 A - I3 = 1.45 A.
We know the total current, we can use Kirchhoff's Laws to find the current through each resistor. Kirchhoff's Current Law (KCL) states that the sum of currents entering a node equals the sum of currents leaving a node. Therefore, the current through each resistor must add up to the total current in the circuit (0.483 A).
To solve for the current through each resistor in the circuit, we need to use Ohm's Law and Kirchhoff's Laws. we can find the total resistance of the circuit by adding the individual resistances: Rtotal = r1 + r2 + r3 Rtotal = 7.5 Ω + 12 Ω + 10.5 Ω Rtotal = 30 Ω.
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Which of the following choices accurately contrasts a categorical syllogism with a conditional syllogism?
An argument constructed as a categorical syllogism uses deductive reasoning whereas an argument constructed as a conditional syllogism uses inductive reasoning.
A categorical syllogism contains two premise statements and one conclusion whereas a conditional syllogism contains one premise statement and one conclusion.
A categorical syllogism argues that A and B are both members of C whereas a conditional syllogism argues that if A is true then B is also true.
An argument constructed as a categorical syllogism is valid whereas an argument constructed as a conditional syllogism is invalid.
Answers
Answer:
The correct option is - A categorical syllogism argues that A and B are both members of C whereas a conditional syllogism argues that if A is true then B is also true.
Explanation:
As,
Categorical syllogisms follow an "If A is part of C, then B is part of C" logic.
Conditional syllogisms follow an "If A is true, then B is true" pattern of logic.
So,
The correct option is - A categorical syllogism argues that A and B are both members of C whereas a conditional syllogism argues that if A is true then B is also true.
4. Oil system cleaning products should not use solvents because:
A) O Solvents smell bad
B) Solvents are completely removed during the service
CO Solvents have no impact on dirt and debris
DO Solvents can damage certain plastics and rubbers found in the engine
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Answers
Answer:
Solvents can damage certain plastics and rubbers found in the engine
Explanation:
what add the most carbon dioxide to the atmosphere
Answers
Answer:
Volcanic outgassing
The burning of fossil fuels (coal, oil, gasoline, natural gas), for heating, power generation and transport
Some industrial processes such as cement making.
Explanation:
For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution is M, which is approximately by mass sodium hydroxide. What volume of this solution would be needed to prepare L of M solution
Answers
Sodium hydroxide, NaOH, is a very useful compound in the chemical industry. Sodium hydroxide is used to make soap, detergent, paper, and many other products. It is also used to clean drains, dissolve grease, and other materials.
For commercial convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution is M, which is approximately by mass sodium hydroxide.
To prepare L of M solution, we must first find the number of moles of NaOH that will be required.
Then we will find the volume of the saturated solution that is required to make this solution.
To find the number of moles of NaOH that will be required, we will use the formula:
\(N = C x V\)Where, N = number of moles of NaOH, C = concentration of the solution, and V = volume of the solution.
In this case, C = M, which is the concentration of the solution that we want to make. And V = L, which is the volume of the solution that we want to make.
So,
\(N = M x LV = N / MC = 40% = 40 / 100 = 0.4 M\)
Volume of the saturated solution required to prepare the M solution:
\(V = N / MV = 4.69 L\)
We will require approximately \(4.69 L\)of the saturated solution to prepare L of M solution.
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An altarpiece which has a winged, movable panel attached to both sides of the central section is known as a ________, resulting in a total of three panels.
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An altarpiece which has a winged, movable panel attached to both sides of the central section is known as a triptych, resulting in a total of three panels.
What is the history and cultural significance of the triptych form in art?
Triptychs have been used in art for centuries, dating back to medieval times when they were commonly used as altarpieces in churches. The movable panels allowed the central image to be concealed during certain parts of the liturgical calendar, and revealed during others. Over time, the triptych form evolved and became popular in secular art as well. Today, triptychs are still used by many contemporary artists as a way to create a cohesive narrative across multiple panels.
What are some examples of famous triptychs in art history?Some famous examples of triptychs in art history include the "Ghent Altarpiece" by Jan and Hubert van Eyck, the "Isenheim Altarpiece" by Matthias Grünewald, and "The Garden of Earthly Delights" by Hieronymus Bosch. In contemporary art, triptychs are still popular and can be found in a wide range of styles and media.
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A new energy resource has a net energy ratio of 0. 2. Energy evaluators are most likely to recommend :
Answers
A net energy ratio (NER) of 0.2 implies that the energy resource in question requires a significant amount of energy to extract and produce, and that the energy output from the resource is relatively low.
This low NER suggests that the energy resource may not be a sustainable or efficient source of energy. Energy evaluators, who are responsible for assessing the viability and sustainability of energy resources, are likely to recommend against using this particular energy resource. This is because a low NER means that the energy resource is not efficient or cost-effective, and may not provide a significant energy output to meet energy demands.
Instead, energy evaluators may recommend investing in more sustainable and efficient energy resources, such as renewable energy sources like solar or wind power. These energy sources have higher NERs, meaning they provide a greater energy output relative to the energy input required for production. Additionally, renewable energy sources have a lower environmental impact compared to fossil fuels, which are often associated with high NERs.
In summary, a new energy resource with a net energy ratio of 0.2 is likely to be deemed inefficient and unsustainable by energy evaluators. As a result, investing in more sustainable and efficient energy resources, such as renewable energy sources, is recommended.
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A circuit has two resistors in parallel, each resistor is 6 ohms. This circuit is connected to a single resistor of 6 ohms, to form a series-parallel circuit. What is the total resistance of the circuit?
Answers
The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.
What is a resistance?
This can be defined as the opposition to current flow in a circuit.
To calculate the total resistance, first we need to find the total resistance of the parallel resistor.
For parallel,
R' = (R₁R₂)/(R₁+R₂)............Equation 1Where:
R' = Total resistance of the parallel resistor.
From the question,
Given:
R₁ = 6 ohmsR₂ = 6 ohmsSubstitute these values into equation 1
R' = (6×6)(6+6)R' = 3 ohms.Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.
Rt = R'+R₃.................. Equation 2Where:
Rt = Total resistance of the circuit.From the question,
R' = 3 ohmsR₃ = 6 ohmsSubstitute these values into equation 2
Rt = 3+6Rt = 9 ohms.Hence, the total resistance of the circuit is 9 ohms.
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With respect to detailed requirements for each user story, which of the following is NOT true of the agile approach Select one alternative:- The agile method has only high level requirements - The agile method has very detailed and in-depth requirements - Agile utilizes minimal requirements documentation, often called "barely sufficient requirements - Agile requirements are captured as user stories with one user story work three day of work for a developer
Answers
Agile only uses a small amount of requirements documentation, which is not true of the agile methodology.
The Agile approach is an iterative, incremental development methodology which focuses on collaboration and customer satisfaction rather than on detailed documentation and planning. It is used to develop software in an iterative manner over a series of short cycles, known as sprints. Agile does not require detailed requirements documentation, instead, requirements are captured as user stories which define the functionality desired by the customer. User stories are usually written on index cards and discussed with the customer during sprint planning. The Agile method does not require that each user story have very detailed and in-depth requirements, though these may be defined if desired. The focus is on getting an initial set of requirements that are just barely sufficient for the development team to begin working on the user story.
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John has just graduated from State University. He owes $35,000 in college loans, but he does not have a job yet. The college loan company has agreed to give John a break on a deferred-payment plan that works as follows. John will not have to repay his loan for 5 years. During this “grace period” the loan obligation will compound at 4% per year. For the next 5 years, a monthly payment will be required, and the interest rate will be 0.5% per month. What will be John’s monthly payment over the 60-month repayment period?
Answers
Answer:
The correct response is "821.88". A further explanation is given below.
Explanation:
According to the question,
The largest amount unresolved after five years would have been:
= \(35000\times (\frac{F}{P}, 4 \ percent,5 )\)
= \(35000\times 1.216 7\)
= \(42584.50\)
Now,
time (t) will be:
= \(5\times 12\)
= \(60 \ monthly \ payments\)
So, monthly payment will be:
= \(42582.85\times (\frac{A}{P}, 0.5 \ percent,60 )\)
= \(42584.50\times 0.0193\)
= \(821.88\)
bob is interested in examining the relationship between the number of bedrooms in a home and its selling price. after downloading a valid data set from the internet, he calculates the correlation. the correlation value he calculates is only 0.05. what does bob conclude?
A. Bob gives up on this research because r=.05 means there is no relationship of any kind between bedrooms and selling price.
B. Bob continues his research because even though there is no linear relationship here, there could be a different relationship.
Answers
Bob comes to the conclusion that a living area rooms are not a reliable indicator of its sale value based just on 0.05 weak correlation score.
How do you feel about correlation?What exactly does correlation entail? A statistical measure called correlation describes how linearly closely two variables are related (meaning they change together at a constant rate). It's a typical technique for illustrating straightforward relationships without explicitly mentioning cause and effect.
What does "correlation" signify in statistics?However, correlation is the analytic term used to describe the relationship between two numerical values. Furthermore, we consider the relationship to be linear, meaning that for each unit change in one element, the other will also change by a defined amount.
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Given the following information:
Job A, Arrival Time O, CPU Cycle 15
Job B, Arrival Time 2, CPU cycle 02
Job C, Arrival Time 3, CPU Cycle 14
Job D, Arrival Time 6, CPU Cycle 10
Job E, Arrival Time 9, CPU cycle 01
1. Calculate which jobs will have arrived ready for processing by the time the first job is finished or first interrupted using each of the following scheduling algorithms.
a. FCFS
b. SJN
c. SRT
d. Round Robin (use a time quantum of 5, but ignore the time required for context switching and natural wait)
2. Using the same information from the previous exercise, calculate the start time and finish time for each of the five jobs using each of the following scheduling algorithms. It may help to draw the timeline.
a. FCFS
b. SJN
c. SRT
d. Round Robin (use a time quantum of 5, but ignore the time required for context switching and natural wait)
Job Scheduling
Job scheduling is done by the operating system by using an algorithm. FCFS is a simple algorithm in which the job is allocated to the CPU in the same order as they come in the ready queue but in other algorithms, some calculation is needed to do.
Answer and Explanation:
Answers
1. Jobs arrived ready for processing by the time the first job is finished or first interrupted:
a. FCFS (First-Come, First-Served):
Job A will have arrived ready for processing by the time the first job is finished.
b. SJN (Shortest Job Next):
Job B will have arrived ready for processing by the time the first job is finished.
c. SRT (Shortest Remaining Time):
Job B will have arrived ready for processing by the time the first job is finished.
d. Round Robin:
Job A, Job B, and Job C will have arrived ready for processing by the time the first job is interrupted.
2. Start time and finish time for each job using different scheduling algorithms:
a. FCFS (First-Come, First-Served):
Job A: Start Time = 0, Finish Time = 15
Job B: Start Time = 15, Finish Time = 17
Job C: Start Time = 17, Finish Time = 31
Job D: Start Time = 31, Finish Time = 41
Job E: Start Time = 41, Finish Time = 42
b. SJN (Shortest Job Next):
Job A: Start Time = 0, Finish Time = 15
Job B: Start Time = 2, Finish Time = 4
Job C: Start Time = 4, Finish Time = 18
Job D: Start Time = 18, Finish Time = 28
Job E: Start Time = 28, Finish Time = 29
c. SRT (Shortest Remaining Time):
Job A: Start Time = 0, Finish Time = 15
Job B: Start Time = 2, Finish Time = 4
Job C: Start Time = 4, Finish Time = 18
Job D: Start Time = 18, Finish Time = 28
Job E: Start Time = 28, Finish Time = 29
d. Round Robin (Time Quantum = 5):
Job A: Start Time = 0, Finish Time = 15
Job B: Start Time = 2, Finish Time = 7
Job C: Start Time = 7, Finish Time = 21
Job D: Start Time = 15, Finish Time = 25
Job E: Start Time = 21, Finish Time = 22
Please note that the timeline representation and precise calculation of start and finish times may vary depending on the specific implementation of the scheduling algorithm and any additional considerations or constraints. The above calculations provide a general understanding of the job scheduling process using the given information and algorithms.
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identify the important principles that are used to achieve the objectives and principles of lean systems. (check all that apply.)
Answers
In order to achieve the objectives and principles of lean systems all the given statements are true.
Lean systems refer to an approach to managing an organization with the support of the concept of continuous improvement. It means that lean systems apply a long-term strategy to work that systematically seeks to achieve small, incremental changes in processes so that efficiency and quality can be imporved. The following are the key principles that are used to achieve goals and objectives associated with lean systems:
Precisely specify values for each specific productIdentify the value streams for each productLet the customer pull values from the producerPursue perfectionMake value flows without interruptions"For the complete question, you are referred to below:
identify the important principles that are used to achieve the objectives and principles of lean systems. (check all that apply.)
- Precisely specify value for each specific product.- Identify the value stream for each product.- Let the customer pull value from the producer.- Pursue perfection.- Make value flow without interruptions."
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Match the car part to the system
Catalytic Converter
Radiator
Alternator
Shock absorbers
Engine
And
Suspension system
Cooling system
Electrical system
Power train
Exhaust system
Answers
Radiator - Cooling System
Alternator - Electrical System
Shock Absorbers - Suspension System
Engine - Power train
The match up are:
Catalytic Converter - Exhaust SystemRadiator - Cooling SystemAlternator - Electrical SystemShock Absorbers - Suspension SystemEngine - Power trainWhat is an exhaust system?This is known to be a tool that is often used to aid the reaction exhaust gases as it moves away from a controlled combustion which often occurs in an engine.
Therefore, The match up are:
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Write a java program to do the following :
1- Reflecting the shape with the points :
( 160, 130 ), ( 220, 130), ( 220, 160 ), ( 190, 180 ) , ( 160, 160 )
about the line Y = - X + 500
2- Drawing the following shapes using loop and the methods
moveTo(), forward(), left(), right()
Answers
Here is a Java program that accomplishes the given tasks:
import java.awt.*;
import java.awt.geom.AffineTransform;
public class ShapeReflection {
public static void main(String[] args) {
// Reflecting the shape with the points
int[] xPoints = {160, 220, 220, 190, 160};
int[] yPoints = {130, 130, 160, 180, 160};
int numPoints = xPoints.length;
// Reflecting the shape about the line Y = -X + 500
for (int i = 0; i < numPoints; i++) {
int x = xPoints[i];
int y = yPoints[i];
// Calculate the reflected points
int newX = 500 - y;
int newY = 500 - x;
// Update the original points with the reflected points
xPoints[i] = newX;
yPoints[i] = newY;
}
// Drawing the shape using loop and methods
DrawingPanel panel = new DrawingPanel(600, 600);
Graphics2D g2 = panel.getGraphics();
g2.setColor(Color.BLACK);
g2.drawPolygon(xPoints, yPoints, numPoints);
}
}
This program uses the `java.awt` package to create a `DrawingPanel` and `Graphics2D` object for drawing the shape. It first reflects the given shape's points about the line Y = -X + 500 by calculating the new coordinates based on the reflection formula. Then, it draws the shape using the `drawPolygon` method of `Graphics2D`, passing the reflected points as arguments.
Please note that this code assumes you have the `DrawingPanel` class available in your Java environment. You may need to import or implement it separately, depending on your setup.
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A_____AH mean that the energy i____from a reaction taken deleted aborbed poitive negative
Answers
The increase in energy from a reaction that was taken, deleted, aborted, positive, or negative is indicated by the change in enthalpy.
The quantitative characteristic that is transferred to a body or to a physical system in physics is energy, which is visible in the performance of labor as well as in the form of heat and light. Energy is a resource that is conserved; it can only be changed from one form to another and cannot be created or destroyed, according to the law of conservation of energy. The unit of measurement for energy in the International System of Units is the joule. Common types of energy include the kinetic energy of an object in motion, the potential energy held by an object, the elastic energy held in a solid object, the chemical energy related to chemical reactions, the radiant energy carried by electromagnetic radiation, and the internal energy held within a thermodynamic system.
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The grouping of two or more class networks together is called a CIDR block. True or False?
Answers
True.
A CIDR block, or Classless Inter-Domain Routing block, is a method used to allocate and manage IP addresses. It allows the grouping of multiple class networks together under a single network prefix, enabling more efficient use of IP address space. For example, instead of assigning separate IP addresses to each device on a network, a CIDR block can be used to assign a range of IP addresses to the entire network. This can help reduce the number of IP addresses needed and simplify network management. CIDR blocks are commonly used in internet routing and are an important part of network design and administration.
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technician a says a four-wheel drive vehicle uses a transfer case. technician b says an all wheel drive [awd] vehicle has a center differential. who is correct?
Answers
The technician in A is right.
What is a transfer case with four wheels?A 4×4 transfer case is a portion of your differential system that allows your truck to go into four-wheel drive when travelling on paved roadways. In times of necessity, it also disengages. Though they all share certain commonalities in terms of form and functionality, there are many differences.
Why do four-wheel vehicles have a transfer case?Transfer cases of an all-wheel drive car actually let the front and rear driveshafts turn at various rates. This will make steering simpler and help the car drive more safely on any surface.
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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
When my animal is to old to physically carry her baby what process can I use to still produce her young from her
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31
4
Related Questions (More Answers Below)
Knowing that rods AB and BD are of diameters 1. 25 in. And 1. 75 in. , respectively, determine the maximum shearing stress in each rod. Neglect the effect of fillets and of stress concentrations. It is given that P= 135 lb. The maximum shearing stress in rod AB is __________ psi. The maximum shearing stress in rod BD is __________ psi
Answers
Stress is defined as the internal resistance offered by a body to an external load. The force per unit area is the unit of stress. If a force P is applied at a distance l from the end of a bar of cross-sectional area A, the stress is given by the formula:
\(Stress = P / A\)where P is the applied load, A is the cross-sectional area of the material on which the load is applied. Rods AB and BD have diameters of 1.25 in. and 1.75 in., respectively. We can calculate their cross-sectional areas using the following formula : \(Area = π r²\)where r is the radius of the rod.
AB has a diameter of 1.25 in. Thus, its radius is 1.25/2 = 0.625 in. The cross-sectional area of AB is:
\(π (0.625)² = 0.616\)in²BD has a diameter of 1.75 in. Thus, its radius is 1.75/2 = 0.875 in.
The cross-sectional area of BD is :\(π (0.875)² = 2.405 in²\)
Now we can calculate the maximum shearing stress in each rod using the following formula:
\(τ = P / A\) where P is the applied load and A is the cross-sectional area of the rod.
A load of 135 lb is applied to the rods. Thus, the maximum shearing stress in AB is:
\(τ = 135 / 0.616 = 219.16 psi\) (rounded to two decimal places)
The maximum shearing stress in BD is:\(τ = 135 / 2.405 = 56.03 psi\)(rounded to two decimal places)
the maximum shearing stress in rod AB is 219.16 psi, and the maximum shearing stress in rod BD is 56.03 psi.
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Suppose that 42\%42%42, percent of students of a high school play video games at least once a month. The computer programming club takes an SRS of 303030 students from the population of 792792792 students at the school and finds that 40\%40%40, percent of students sampled play video games at least once a month. The club plans to take more samples like this. Let \hat p p ^ p, with, hat, on top represent the proportion of a sample of 303030 students who play video games at least once a month. What are the mean and standard deviation of the sampling distribution of \hat p p ^ p, with, hat, on top? Choose 1 answer: Choose 1 answer: (Choice A) A \begin{aligned} \mu_{\hat p}&=0.42 \\\\ \sigma_{\hat p}&=\sqrt{\dfrac{0.42\left(0.58\right)}{30}} \end{aligned} μ p ^ σ p ^ =0.42 = 30 0.42(0.58) (Choice B) B \begin{aligned} \mu_{\hat p}&=(30)(0.42) \\\\ \sigma_{\hat p}&=\sqrt{30(0.42)(0.58)} \end{aligned} μ p ^ σ p ^ =(30)(0.42) = 30(0.42)(0.58) (Choice C) C \begin{aligned} \mu_{\hat p}&=(30)(0.4) \\\\ \sigma_{\hat p}&=\sqrt{30(0.4)(0.6)} \end{aligned} μ p ^ σ p ^ =(30)(0.4) = 30(0.4)(0.6) (Choice D) D \begin{aligned} \mu_{\hat p}&=0.4 \\\\ \sigma_{\hat p}&=\sqrt{\dfrac{0.4\left(0.6\right)}{30}} \end{aligned} μ p ^ σ p ^ =0.4 = 30 0.4(0.6)
Answers
Answer:
its A, first choice on khan
Explanation:
Which is an example of poor sportsmanship?
A.Yelling at the referee
B.Helping a player off the field
C.Encouraging a teammate
D.Cleaning up equipment
Answers
Answer:
A
Explanation:
Answer:
the answer is a
Explanation:
poor sportsmanship is a terrible thing and will decrease team moral while great sportsmanship is help each other and staying positive on and off the field
Which contemporary jazz artist was one of the first to use a synthesizer in their recording
Answers
Answer:
In this era, Sun Ra was among the first of any musicians to make extensive and pioneering use of synthesizers and other various electronic keyboards; he was given a prototype Minimoog by its inventor, Robert Moog.
Explanation:
in a machine shop, two camshafts are made: one of aluminum (al), one of iron (fe). if they both have the same mass, which is larger?
Answers
aluminum (Al)
Aluminum has an atomic mass of 26.98
Iron has an atomic mass of 55.85
If both have the same mass finished, the aluminum camshaft must be larger.
what does kichfoff's currebt law
Answers
Answer:
Kirchhoff's current law (1st Law) states that the current flowing into a node (or a junction) must be equal to the current flowing out of it
Explanation:
Water is boiled in a pot covered with a loosely fitting lid at a location where the pressure is 85.4 kPa. A 2.61 kW resistance heater with 84.5% efficiency supplies heat to the pot. How many minutes will it take to boil 6.03 kg of water?
Answers
Answer:
t = 6179.1 s = 102.9 min = 1.7 h
Explanation:
The energy provided by the resistance heater must be equal to the energy required to boil the water:
E = ΔQ
ηPt = mH
where.
η = efficiency = 84.5 % = 0.845
P = Power = 2.61 KW = 2610 W
t = time = ?
m = mass of water = 6.03 kg
H = Latent heat of vaporization of water = 2.26 x 10⁶ J/kg
Therefore,
(0.845)(2610 W)t = (6.03 kg)(2.26 x 10⁶ J/kg)
\(t = \frac{1.362\ x\ 10^7\ J}{2205.45\ W}\)
t = 6179.1 s = 102.9 min = 1.7 h
Because A-B=A+ (-B), the subtraction of signed numbers can be accomplished by adding the complement. Subtract each of the following pairs of 5-bit binary numbers by adding the complement of the subtrahend to the minuend. Indicate when an overflow occurs. Assume that negative number are represented in 1’s complement. Then repeat using 2’s complement.
a) 01001-11010b) 11010-11001c) 10110-01101d) 11011-00111e) 11100-10101
Answers
Answer:
Using 1's complement
a)
Therefore the difference is -10001
b)
Therefore the difference is 00001
c)
Therefore the difference is 01001
d)
Therefore the difference is 10100
e)
Therefore the difference is 00111
Explanation:
Using 1's complement
a) The 1's complement of the subtrahend 11010 = 00101.
Therefore 01001-11010 = 01001 + 00101 = 01110
Since no overflow, we take the 1's complement of the result and it is negative.
Therefore the difference is -10001
b) The 1's complement of the subtrahend 11001 = 00110.
Therefore 11010-11001 = 11010 + 00110 =1 00000
Since there is an overflow, we add the overflow to the result
Therefore the difference is 00001
c) The 1's complement of the subtrahend 01101 = 10010
Therefore 10110-01101 = 10110 + 10010 = 1 01000
Since there is an overflow, we add the overflow to the result
Therefore the difference is 01001
d) The 1's complement of the subtrahend 00111 = 11000
Therefore 11011-00111= 11011 + 11000 = 1 10011
Since there is an overflow, we add the overflow to the result
Therefore the difference is 10100
e) The 1's complement of the subtrahend 10101 = 01010
Therefore 11100-10101= 11100 + 01010 = 1 00110
Since there is an overflow, we add the overflow to the result
Therefore the difference is 00111
Using 2's complement
a) The 2's complement of the subtrahend 11010 = 00110.
Therefore 01001-11010 = 01001 + 00110 = 01111
Since no overflow, we take the 2's complement of the result and it is negative.
Therefore the difference is -10001
b) The 2's complement of the subtrahend 11001 = 00111.
Therefore 11010-11001 = 11010 + 00111 =1 00001
Since there is an overflow, we drop the overflow
Therefore the difference is 00001
c) The 1's complement of the subtrahend 01101 = 10011
Therefore 10110-01101 = 10110 + 10011 = 1 01001
Since there is an overflow, we drop the overflow
Therefore the difference is 01001
d) The 1's complement of the subtrahend 00111 = 11001
Therefore 11011-00111= 11011 + 11001 = 1 10100
Since there is an overflow, we drop the overflow
Therefore the difference is 10100
e) The 1's complement of the subtrahend 10101 = 01011
Therefore 11100-10101= 11100 + 01011 = 1 00111
Since there is an overflow, we drop the overflow
Therefore the difference is 00111