Type the element symbol in the provided box. What metal is oxidized in a car, which enables the starter?
Answers
The element symbol you are looking for is "Pb".
Lead (Pb) is the metal that gets oxidized in a car's lead-acid battery, which enables the starter. Chemical element lead has the atomic number 82 and the letter Pb for its sign. It is a dense hefty metal that is heavier than the majority of everyday materials. Lead is pliable and flexible, and it also has a low melting point. Lead has a tinge of blue when it is first cut, and it is shiny and grey. When exposed to air, it tarnishes to a drab grey colour.
The two primary oxidation levels of lead are +4 and +2.
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Related Questions
5. According to the second law that entropy can never be destroyed, will entropy always increase from state 1 to state 2 after a process regardless of various complications brought by different systems? Why?
Answers
According to the second law of thermodynamics, the total entropy of a closed system will always increase or remain constant. This means that the entropy of a system can never decrease over time, and any process that occurs will result in an overall increase in entropy.
This law is based on the statistical interpretation of entropy, which describes the degree of disorder or randomness within a system. The more disordered a system is, the higher its entropy, and any process that moves the system towards a more disordered state will result in an increase in entropy.
The second law of thermodynamics is a fundamental law of nature and applies to all physical processes, regardless of the nature of the system or the specific complications involved. While there may be some temporary fluctuations or localized decreases in entropy within a system, the overall trend will always be towards an increase in entropy.
In conclusion, the second law of thermodynamics predicts that entropy will always increase or remain constant over time, regardless of the specific details or complications of a system or process. This law is a fundamental principle of nature and has important implications for understanding the behavior of physical systems and processes.
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A piece of coaxial cable has 75ohms Characteristics impedance and a nominal capacitance of 69pF/m. what is its inductance per meter ? If the diameter of the inner conductor is 0.584mm, and the dielectric constant of the insulation is 2.23, what is the outer diameter of the conductor ?
Answers
Answer:
A) L = 0.388 μm
B) D = 3.78 mm
Explanation:
We are given;
Characteristics impedance; Z_o = 75 ohms
Nominal capacitance; C = 69pF/m = 69 × 10^(-12) F/m
dielectric constant; k = 2.23
Inner diameter of conductor; d = 0.584 mm
A) Now formula for Characteristics impedance is given as;
Z_o = √(L/C)
Where L is the inductance per metre.
Making L the subject, we have;
L = (Z_o)²C
L = 75² × 69 × 10^(-12)
L = 0.388 × 10^(-6) m
L = 0.388 μm
B) To get the outer diameter, we will use the formula;
Z_o = (138/√k) log(D/d)
Where;
D is outer diameter.
Thus, Plugging in the relevant values;
75 = (138/√2.23) × log (D/0.584)
log (D/0.584) = 0.81158611538
(D/0.584) = 10^(0.81158611538)
D/0.584 = 6.48016576435
D = 6.48016576435 × 0.584
D = 3.78 mm
When a customer goes to shop in a supermarket, he/she starts by filling all the items they need on the trolley. The customer then pushes the trolley to the trolley to the cashier who calculates the total cost of all the items and presents the same o the customer. Thereafter, the customer may decide to pay in cash or present a card. The credit card is then swiped by the cashier through a card reader that debits the same amount from the customer’s account. The cashier then returns the card to the customer. represent the above using a use-case diagram
Answers
A Use-Case Diagram (UCD)refers to all the possible interactions that a person or one system can possibly have with another system, represented in a graphical format.
There are four main constituents of a use-case diagram. They are:
The actors who interact with the systemthe systemthe use cases andthe lines that represent the relationshipsUCDs are used to
capture the requirements of a systemacquire the external persons' point of viewidentify risk factors associated with a project.See the attached picture and the link below for more about Use-Case Diagrams:
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The mutual inductance between two coils is 170170mH. Find the magnitude of the e. M. F induced in one coil when the current in other is increasing at a rate of 40A/s
Answers
The magnitude of the e.m.f induced in one coil when the current in the other is increasing at a rate of 40 A/s is 6.8 V.
Mutual inductance is a property of two coils that are in close proximity to each other. It measures the amount of magnetic flux that is linked between the two coils. The mutual inductance between two coils is denoted by the symbol M and is measured in henries (H).
According to Faraday's law of electromagnetic induction, an e.m.f is induced in a coil whenever there is a change in the magnetic flux that links the coil. The magnitude of the induced e.m.f is given by the formula:
e = -M(dI/dt)
where e is the induced e.m.f, M is the mutual inductance, and dI/dt is the rate of change of current in the other coil.
Substituting the given values, we get:
e = -170 x 10^-3 H x (40 A/s) = -6.8 V
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The surface of an object is the
texture value appearance or function
Answers
An mos capacitor biased so that majority carriers in the semiconductor pile up at the oxide semiconductor interface is biased in which region? a. accumulation b. flat band c. depletion d. inversion
Answers
The MOS capacitance is a very helpful tool for assessing the construction of MOS integrated circuits and forecasting the properties of MOS transistors.
What does semiconductor mean in plain English?A semiconductor is what. Semiconductors. Semiconductors are substances with conductivity intermediate between that of conductors (often metals) and that of nonconductors or insulation (such as most ceramics). Semiconductors can be made of compounds like indium gallium or cadmium selenide or pure elements like silicon or germanium.
What makes anything a semiconductor?The reason a material is termed a semiconductor is because it has a resistance that is between the resist typical of insulators and metals, or that "semi"-conducts electricity in a way.
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How often might ergonomic training be offered in the workplace
Answers
Answer:
'समाचार पत्र में लेख लिखना' किस मौलिक अधिकार का उदाहरण है?
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Explanation:
"Aking Pangako"
Meron akong pangako,hindi mapapako
Upang hindi makasakit,sa damdamin ng ibang tao
Simple man o mahirap,piliting magampanan
Dahil tayo ay Pilipino,Tuloy ang pangako
Aking kaibigan, wag kang sasama ang loob
Kapag ako'y nangako,baka ito'y mapako
Gagampanan ko na,aking mga pangako
Upang 'di mag hiwalay,magkaibigang tunay.
What is the maximum number of points a player can score during a frame of snooker while curving around at a 45 degree angle going at a speed of 2 miles per hour with the wind speed of 2 mph on a rug coated snooker table?
Answers
In snooker, the maximum number of points that can be scored during a single frame is 147. This is achieved by potting all 15 red balls, each worth 1 point, and subsequently potting the colored balls in sequence: yellow (2 points), green (3 points), brown (4 points), blue (5 points), pink (6 points), and black (7 points). Each color is then returned to its original position and can be potted again for additional points.
The angle and wind speed mentioned in your question are not relevant to determining the maximum number of points in a snooker frame. The speed and direction of the balls are controlled by the player's shots, and the rug coating on the table doesn't affect the scoring.
So, regardless of the angle, wind speed, or table surface, the maximum number of points that can be scored in a frame of snooker is 147.
who is the strongest avenger i say hulk but who knows at this point
Answers
Answer:
or is the strongest evenger she hulk
Explanation:
?????????
Answer:
Thor!
Explanation:
In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.
Which phase involves research to determine exactly what the client expects?
brainstorming
identifying the need
preventive maintenance
building a model
Answers
*Explanation*
The phase identifying the need involves research to determine exactly what the client expects. The correct option is B.
What is research?
Research is a systematic inquiry process that includes data gathering, documentation of important information, analysis, and interpretation of that data and information.
These all are in accordance with appropriate procedures established by particular academic and professional disciplines.
Action-informing research is its goal. As a result, your study should attempt to place its findings in the perspective of the wider body of knowledge. In order to develop knowledge that is usable outside of the research setting, research must constantly be of the highest calibre.
Research is done during the step of determining the need to ascertain the precise expectations of the client.
Thus, the correct option is B.
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Fill in the blanks to complete the passage describing the atomic bomb.Scientists who developed the atom bomb were_____about using the technology at the time. Truman ultimately decided to employ it to______. Ultimately, the use of atomic bombs was rationalized to achieve a lower number of______casualties than might be lost during an invasion.- confident- Japanese- intimidate the Russians- divided- end of the world war- American
Answers
Scientists who developed the atom bomb were divided about using the technology at the time. Truman ultimately decided to employ it to end the World War. Ultimately, the use of atomic bombs was rationalized to achieve a lower number of American casualties than might be lost during an invasion.
The atomic bomb, also known as the atom bomb, is a powerful weapon that harnesses the energy released from a nuclear reaction. It works by initiating a chain reaction in which the nucleus of an atom is split, releasing an enormous amount of energy in the process. The development and use of the atomic bomb have had significant historical implications.
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1. Asbestos can be dangerous but is not a known carcinogen.
A) O True
B) O False
Answers
Asbestos may cause cancer by inhalation. Moreover, asbestos is also known to cause different respiratory diseases (especially asbestosis) by affecting the mucosa of the bronchi.
The statement "Asbestos can be dangerous but is not a known carcinogen" is FALSE.Asbestos is a group of materials that were widely used in building constructions until 1990.Asbestos is a toxic substance that may cause mesothelioma and lung cancer.Mesothelioma is a type of cancer that develops on the outer surface that covers different internal organs.Moreover, asbestosis is a chronic disease in the lungs caused by long-term exposure to asbestos.Learn more in:
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Answer:
False
Explanation:
Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
Answers
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
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A three-phase motor rated 25 hp, 480 V, operates with a power factor of 0.74 lagging and supplies the rated load. The motor efficiency is 96%. Calculate the motor input power, reactive power and current.
Answers
Answer:
the motor input power is 19.42 KW
the Reactive power is 17.65 KVAR
Current is 31.56 A
Explanation:
Given that;
V = 480V
h.p = 25 hp
p.f = 0.74 lagging
n_motor = 96%
so output = 25hp
and we know that;
1hp = 746 watt
watt = hp × 1hp
so output in watt = 25 × 746 = 18650 Watt = 18.65 KW
n_motor = (output / input) × 100
96 = 1865 / Input
96Input = 1865
Input = 1865 / 96
Input = 19.42 KW
Therefore the motor input power is 19.42 KW
P = √( 3 × V × I × cos∅)
19.42 = √( 3 ×480 × I × 0.74)
I = 31.56 A
Therefore Current is 31.56 A
Q = √( 3 × V × I × sin∅)
we know that
cos∅ = 0.74
so ∅ = cos⁻¹(0.74) = 42.26
so we substitute
Q = √( 3 × 480 × 31.56 × sin(42.26))
= 17.65 KVAR
Therefore the Reactive power is 17.65 KVAR
which is the better heat pump a geothermal, air source, or water source heat pump?
Answers
It depends on your individual needs and the climate in which you live. Geothermal heat pumps are typically the most efficient and cost effective option, but they are not suitable for all locations.
What is geothermal?
Geothermal energy is a form of renewable energy that comes from the heat generated by the Earth's core. This energy is captured and used to generate electricity, provide heating and cooling, and to create hot water. Geothermal energy has relatively low environmental impact and can be used to meet most of our energy needs. It is a reliable, clean, and safe source of energy that can be used to reduce carbon emissions.
Air source heat pumps are more widely available and less expensive, but they are not as efficient and are limited by the outdoor temperature. Water source heat pumps are suitable for some climates and can provide more efficient cooling than air source units, but they may be more expensive to install and require a water source such as a pond or lake.
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Can you help me with this task/homework.
Need formulas so i can understand your result or anwser.
Answers
What is the main difference between a generator and a motor?
A
Generator - mechanical energy to electrical energy
Motor - electrical energy to mechanical energy
a motor and generator only use electrical energy
Generator - electrical energy to mechanical energy
Motor - mechanical energy to electrical energy
D
They are the same machine.
Answers
Answer:
genorator- electrical to mechanical
motor- mechanical to electrical
How many and what type of
receptacles are connected to
this circuit?
Answers
Answer:They are two types of receptacles used in this (A 16) circuit. i.) Receptacles at 120W: 5 Numbers ii.) Weatherproof receptacles at 120W: 1 Number!
Explanation:
question 12 a beginner ux designer is looking for a short-term work opportunity with not a lot of responsibility. which of the following is a good option for them? 1 point working at a start-up freelancing an internship an entry level job
Answers
Internships provide valuable work experience and the opportunity to learn from experienced professionals in the field. They also often have a set duration, which can be a good fit for someone who is not looking for a long-term commitment. Additionally, internships typically come with less responsibility than entry-level jobs, which can be a good fit for someone who is just starting out in their career.
An internship would be a good option for a beginner UX designer who is looking for a short-term work opportunity with not a lot of responsibility.
Internships provide valuable work experience and the opportunity to learn from experienced professionals in the field. They also often have a set duration, which can be a good fit for someone who is not looking for a long-term commitment.
Additionally, internships typically come with less responsibility than entry-level jobs, which can be a good fit for someone who is just starting out in their career.
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which of the following theories equates the body to a machine that eventually wears out?
Answers
The theory that equates the body to a machine that eventually wears out is the "wear and tear" theory of aging, which posits that the accumulated damage and stress on the body's cells, tissues, and organs over time eventually lead to dysfunction and decline.The correct answer is option C.
This theory suggests that the body's various systems and processes gradually deteriorate as a result of the constant exposure to environmental stressors, such as pollution, UV radiation, and oxidative stress, as well as the wear and tear that occurs as a result of normal physical activity and metabolism.
According to this theory, the body's ability to repair and replace damaged tissues and cells becomes less efficient with age, leading to a gradual decline in overall health and function.
While other theories of aging, such as the somatic mutation and cross-linkage theories, focus on specific molecular mechanisms that contribute to aging, the wear and tear theory provides a more general framework for understanding how the aging process affects the body as a whole.
While the wear and tear theory of aging has been criticized for oversimplifying the complex processes involved in aging and for failing to account for individual differences in the rate and pattern of aging, it remains a useful conceptual framework for understanding the general trends and patterns of aging across populations and species.
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The probable question may be:
Which of the following theories equates the body to a machine that eventually wears out?
A. somatic mutation
B. cross-linkage
C. wear and tear
D. immune function
suppose the input signal is 7.3 v. if using the successive approximation method to encode the signal for a 6-bit register for an adc with a full-scale range of 10 v, the value in decimal number will be (precision is 3 digits after the decimal point):
Answers
One of the well-known traditional approaches for solving integral equations is the successive approximations method (SAM).
In the literature, it is sometimes referred to as the Picard iteration approach. In fact, this approach offers a strategy for resolving initial value issues or integral equations. With each incremental approximation toward the objective behavior of pressing the lever, Skinner would praise the rat for taking a step toward it, standing on its hind legs, and touching it. Using a binary search over all feasible quantization levels before settling on a digital output for each conversion, a successive-approximation ADC transforms a continuous analog signal into a discrete digital representation.
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(a) Water flows steadily through a smooth pipe. For turbulent flow how does the friction factor change if the velocity is increased? (b) A 100 m length of smooth horizontal pipe is attached to a large reservoir. What depth, d, must be maintained in the reservoir to produce a volume flow rate of 0.01 m3/s of water? The inside diameter of the smooth pipe is 75 mm. The inlet loss coefficient is 0.5 and the water discharges to the atmosphere. D 75 mm -100
Answers
(a) When water flows through a smooth pipe, it usually follows a laminar flow. However, when the velocity is increased, the flow becomes turbulent. This causes an increase in the friction factor, which is an expression of the amount of friction present in the pipe.
(b) To produce a volume flow rate of 0.01 m3/s of water, a depth, d, must be maintained in the reservoir.
To calculate d, we need to use the Darcy-Weisbach equation for head loss due to friction:
hf = (f x L x V2) / (2gD) ,
where f is the friction factor, L is the length of the pipe, V is the velocity, g is the gravitational acceleration and D is the diameter of the pipe.
In this case, L = 100 m, V = 0.01 m3/s, g = 9.81 m/s2, and D = 0.075 m. The friction factor can be calculated using the inlet loss coefficient of 0.5. Using these values, we can calculate d = 22.1 m.
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“Snow Cover Area change Analysis for Kabul Basin”
Summarize how GIS & Remote Sensing is incorporated in this study.
Answers
GIS
The full for GIS is : Geographic Information System.
The GIS is a system of mapping that is used to create, analyze, manage and map all the types of data.
It is a method capturing, checking as well as displaying all the data that is related to the position of the surface of earth.
Remote Sensing
Remote sensing is defined as a process where the various physical characteristics of an area are constantly monitored and detected by a process of measuring the reflection of the emitted radiations at ta distance.
The snow covered areas of the Kabul basin can be monitored and analyzed by using the process of GIS and remote sensing.
They provide a continuous source of information and data about snow covered peaks, the amount of snow to the authorities.
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A home with 8’ ceilings measure 42” x 30” the areas of the window and the door openings are approximately 125 ft.². What’s the total wall area that needs to be insulated
Answers
The total wall area that needs to be insulated is -29 ft².
The negative value indicates that the area of the window and door openings exceeds the total wall area, which seems unlikely. It's important to note that the given dimensions or calculations might contain errors or inconsistencies. Double-checking the measurements or obtaining accurate dimensions will be necessary to provide a valid answer.
To determine the total wall area that needs to be insulated, we first need to calculate the area of the window and door openings and subtract it from the total wall area.
The dimensions of the window and door openings are not provided, but we know that their combined area is approximately 125 ft². Let's assume that the window and door openings are rectangular in shape.
Let's calculate the area of the window and door openings:
Area = Length × Width
Given that the combined area is 125 ft², we can assume:
Area of window and door openings = 125 ft²
Now, let's calculate the total wall area that needs to be insulated:
Total wall area = Wall area - Area of window and door openings
To calculate the wall area, we need to find the perimeter of the home and multiply it by the height of the walls. Assuming the home is rectangular:
Perimeter = 2 × (Length + Width)
Total wall area = Perimeter × Height
Let's substitute the given dimensions into the equations:
Perimeter = 2 × (42" + 30") = 144 inches
Total wall area = (144 inches × 8 feet) / 12 = 96 ft²
Finally, we can calculate the total wall area that needs to be insulated:
Total wall area = 96 ft² - 125 ft² = -29 ft²
The negative value indicates that the area of the window and door openings exceeds the total wall area, which seems unlikely. It's important to note that the given dimensions or calculations might contain errors or inconsistencies. Double-checking the measurements or obtaining accurate dimensions will be necessary to provide a valid answer.
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besides the display, what is a very large battery drain for a mobile device?
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Besides the display, a significant battery drain for a mobile device can be attributed to the processing power and usage of resource-intensive applications.
The display of a mobile device is indeed a significant contributor to battery consumption due to its size and the power required to illuminate it. However, the processing power required to run various applications and tasks also has a considerable impact on battery life. Resource-intensive apps such as gaming, video editing, or augmented reality applications can put a strain on the device's processor, causing it to consume more power. Additionally, background processes, multitasking, and network activities like streaming or downloading large files can further drain the battery. Optimizing app usage, closing unnecessary background processes, and managing network connectivity can help mitigate the battery drain caused by these factors.
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A bakery wants to determine how many trays of doughnuts it should prepare each day. Demand is normal with a mean of 15 trays and standard deviation of 5 tray. If the owner wants a service level a at least 95%?
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The number of trays that should be prepared if the owner wants a service level of at least 95% is; 7 trays
How to utilize z-score statistics?We are given;
Mean; μ = 15
Standard Deviation; σ = 5
We are told that the distribution of demand score is a bell shaped distribution that is a normal distribution.
Formula for z-score is;
z = (x' - μ)/σ
We want to find the value of x such that the probability is 0.95;
P(X > x) = P(z > (x - 15)/5) = 0.95
⇒ 1 - P(z ≤ (x - 15)/5) = 0.95
Thus;
P(z ≤ (x - 15)/5) = 1 - 0.95
P(z ≤ (x - 15)/5) = 0.05
The value of z from the z-table of 0.05 is -1.645
Thus;
(x - 15)/5 = -1.645
x ≈ 7
Complete Question is;
A bakery wants to determine how many trays of doughnuts it should prepare each day. Demand is normal with a mean of 15 trays and standard deviation of 5 trays. If the owner wants a service level of at least 95%, how many trays should he prepare (rounded to the nearest whole tray)? Assume doughnuts have no salvage value after the day is complete. 6 5 4 7 unable to determine with the above information.
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Who is the highest paid Biomedical Engineer?
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The highest-paid Biomedical Engineer is biomedical engineers in the United States.
Biomedicаl engineering is а discipline thаt аdvаnces knowledge in engineering, biology аnd medicine, аnd improves humаn heаlth through cross-disciplinаry аctivities thаt integrаte the engineering sciences with biomedicаl sciences аnd clinicаl prаctice.
Аccording to PаyScаle, biomedicаl engineers in the United Stаtes with less thаn five yeаrs of experience mаke аn аverаge of $62,000 per yeаr. However, U.S. bаsed biomedicаl engineers with five to 10 yeаrs of experience mаy mаke neаrly 31 percent more with аverаge eаrnings between $80,000 to $81,000 per yeаr.
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Water flows in a 10-m-wide open channel with a flowrate of 5 m^3/s. Determine the two possible depths if the specific energy of the flow is E=0.6m.
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The two possible depths of flow in a 10-m-wide open channel with a flowrate of 5 m³/s and a specific energy of 0.6m are y1= 0.79m and y2= 1.46m.
Using the specific energy equation E= y + (Q²/2gy²), where y is the depth of flow, Q is the flowrate, and g is the acceleration due to gravity, we can solve for the two possible depths. Rearranging the equation, we get y³ - (Q²/2gE)y² + Q²/g = 0. Solving this cubic equation, we can get the two possible depths as y1= 0.79m and y2= 1.46m.
Water flows in an open channel with a flowrate of 5 m³/s and a width of 10m. If the specific energy of the flow is 0.6m, there are two possible depths of flow. Using the specific energy equation, we can solve for the depths of flow. By rearranging the equation and solving the cubic equation, we get the two possible depths as y1= 0.79m and y2= 1.46m.
In conclusion, the two possible depths of flow in a 10-m-wide open channel with a flowrate of 5 m³/s and a specific energy of 0.6m are y1= 0.79m and y2= 1.46m. These depths can be found by using the specific energy equation and solving the cubic equation.
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Would you expect the correlation between High School GPA and College GPA to be higher when taken from your entire high school class or when taken from only the top 20 students? Why?
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Answer:
Even though it has been found that there is a correlation between the specific high school a student attends and their college graduation rate, there is a much stronger correlation between a student's high school GPA, regardless of what high school they attended, and that student completing college.
Explanation:
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A rigid triangular frame is pivoted at C and held by two identical horizontal wires at points A and B (see figure). Each wire has axial rigidity EA = 120 k and coefficient of thermal expansion (a) If a vertical load P = 500 lb acts at point D, what are the tensile forces TA and TB in the wires at A and B, respectively?
(b) If, while the load P is acting, both wires have their temperatures raised by 180°F, what are the forces TA and TB?
(c) What further increase in temperature will cause the wire at B to become slack?
Answers
We must first ascertain the responses at point C as a result of the applied load P. As a result of the frame being in equilibrium, all forces operating on it must be zero in total. Hence, we have
What is the initial prerequisite for equilibrium issues with answers?Equilibrium, which is characterised as motion without linear or rotational acceleration, requires the fulfilment of two requirements. The net external force acting on the system must be zero in order for equilibrium to occur, or net F to equal 0.
TAcos(30°) + TBcos(30°) = 0 when Fx = 0. (1)
TAsin(30°) + TBsin(30°) - 500 = 0 when Fy = 0. (2)
ΔL = αLΔT (3) (3)
Assuming that the temperature change is T = 50°C and that the wires are originally at room temperature (20°C), we have:
ΔL = αLΔT = 1210⁻⁶ ×L ×50 = 610⁻⁴ ×L (4)
Δθ = ΔL / r (5) (5)
We may calculate r using the geometry of the frame as follows: r = 2/3 ×L ×sin(30°) = 0.577×L (6)
Equation (5) is obtained by substituting equations (4) and (6).
Δθ = (6/10000) ×L² (7) (7)
TA = -TB(8), -TBsin(30°), + TBsin(30°), -500 = 0.
We can calculate TB as follows: TB = 500 / sin(30°) = 1000 lb (9)
Δθ = (6/10000) ×L² = (6/10000) ×(2/3 ×r / sin(30°)) 2 TA = EA ×/ L = EA ×(6/10000 ×r / sin(30°) × 2/3 × EA × ² / L
We derive the following by substituting the values of EA,, L, r, and T:
TA = 120 x 10 x 6 x 10 000 x 2 / 3 x 0.577 x L / sin(30°)
² / L ΔTA = 5.247 lb
Hence, TA = TB + TA = 1000 + is the tensile force in wire A.
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