A toroid has 250 trims of wire and carries a current of 20 A. Its inner and outer radii are 8.0 and 9.0 cm. What are the values of its magnetic field at r= 8.1, 8.5, and 8.9 cm?
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A: Write the expression for the velocity.
Q: 3. On a graph of velocity versus time, what quantity does the slope of the graph represent?
A: acceleration = velocity/time
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A: Required:- Displacement of the particle from the velocity-time graph. The labeled diagram is given…
Q: 3.Which is defined as the rate at which the speed changes? a. time c. average velocity b. velocity…
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Q: A car travels 200 miles in 3 hours '4 Calculate the average speed of the car in mph. Solution
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Q: You are riding a donkey that gets scared by an earthquake. If the donkey was originally traveling at…
A: Given: The initial velocity of the donkey is 12.5 m/s. The final velocity of the donkey is 13.7 m/s.…
Q: c) Q: How can you tell from an x-vs-t graph that you have reversed direction?
A: In a x versus t graph, t that is time is plotted along the x-direction and position x is drawn along…
Q: 3. Which of the graphs below depicts an object starting with an initial negative velocity coming to…
A: Velocity of an object is the amount of change in position in unit time. The velocity can be…
Q: 5. A ball is thrown from A. If it is required to clear the wall at B, determine the minimum…
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Q: d (meters) s5仍忆況下 20
A: Velocity The velocity of a particle is defined as the rate of change of displacement. If ∆s is the…
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Q: The magnitude of velocity does NOT depend on the definition of money that is used. a. True b.…
A: The velocity of money is a measurement of the rate at which money is exchanged in an economy.It is…
Q: The direction of acceleration _________. * Choose a. is always the same as that of the…
A: Acceleration is defined as rate of change of velocity. S.I. unit of acceleration is m/s2…
Q: 6. X and Y are quantities that have different dimensions. Select all physically meaningful…
A: For two variables/constants to add or subtract , they should be have same dimension. However, for…
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Q: An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground.…
A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 3.20 m/s2 Time (t) = 32.8 s Required:…
Q: Modified TRUE or FALSE. Give the CORRECT answer when the STATEMENT IS false. A non-free fall object…
A: When an object reaches its maximum velocity,the velocity is called terminal velocity.
Q: 10.A kangaroo is capable of jumping to 250 cm height. Determine time taken in jump and takeoff speed…
A: Given Data :Height h = 250 cm = 2.5 mlet u denotes the initial speed of the kangaroo v denotes the…
Q: 2. You are approaching to a school road where the sign post written 15mph. Your car's speedometer is…
A: Post written speed, u = 15 mphYour speed, v = 20 km/hAre you speeding?
Q: A В 'D
A: Solution : Acceleration is given by : a = ∆x2/∆t2 So A car is…
Q: A stone is thrown vertically upwards, reaches a highest point, and returns to the ground. When the…
A: Acceleration acting on the stone, acceleration due to gravity
Q: 4. A stone is thrown horizontally. In 3 seconds after the stone began to move, the numerical value…
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Q: A 22 g golf ball is placed at the top of a loop de loop track 45 cm above the top of a desk and…
A: Solution: Given Values, mass(m)=22 g =0.022 Kg height(h)=45 cm=0.45 m
Q: 1. Which of the following graphs depicts constant velocity? A and B OA and C B and D
A: We know that velocity = dx/dt if velocity is constant then slow of x -t curve must be constant or in…
Q: The slope of the tangent line to velocity vs time graph is interpreted as a. Displacement b.…
A: The average acceleration is the rate of change of velocity. So aAvg= (change in velocity)/( time…
Q: Q3-The safe take-off velocity of a particular passenger plane is set at 300 km/h. Find the minimum…
A: Given: The safe take-off velocity is 300 km/h. The length of runway is 3.3 km.
Q: Define the normal component of acceleration.
A: Normal component of acceleration
Q: As the launching angle of the projectile increases, a. Horizontal acceleration increases. b.…
A: Horizontal acceleration is 0 and vertical acceleration is gsinθ.
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