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In a model AC generator, a 503 turn rectangular coil 5.0 cm by 21 cm rotates at 120 rev/min in a uniform magnetic field of 0.59 T.
(a) What is the maximum emf induced in the coil?
__________V
(b) What is the instantaneous value of the emf in the coil at t = (pi/38) s? Assume that the emf is zero at t = 0.
___________V
(c) What is the smallest value of t for which the emf will have its maximum value?
__________s
A standardized biological microscope has an 8.0--focal-length objective. What focal-length eyepiece should be used to achieve a total magnification of.
How much work is completed by the system in this process. Determine the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C. How much work is completed by the system in this process.
A mass of 1.61kg stretches a vertical spring 0.31m. If the spring is stretched an additional 0.132m and released, how long does it take to reach (new) equilibrium position again.
A 3.00-m-long, 400 kg steel beam extends horizontally from the point where it has been bolted to framework of a new building under construction. A 74 kg construction worker stands at the far end of the beam.What is the magnitude of the torque abo..
A park ranger's flashlight beam strikes a lake surface. What angle does the refracted ray make with the normal in the water
A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m, What is the coefficient of kinetic friction, µk, of the surface from A to B
A 140g arrow is shot vertically from a bow whose effective spring constant is 500 N/m .If the bow is drawn 60cm before shooting the arrow, to what height does the arrow rise
Calculate the heat flow through a 0.500m long copper bar with a cross sectional area of 0.50 cm2. One end at 3.0 degrees Celsius and the other end at 100.0 degrees Celsius
Two 24 cm focal-length converging lenses are placed 16.50 cm apart. An object is placed 39.0 cm in front of one. Where would the final image formed by the second lens be located.
A gun is fired vertically into a 2.00 kg block of wood at rest straight above it. If the bullet has a mass of 21.0 g and a speed of 198 m/s, how high would the block rise into the air after the bullet becomes embedded in it.
define the rock's tangential deceleration. You want to visit your friend in Seattle during spring break. To save money, you decide to travel there by train. Unfortunately, your physics final exam took the full 3 hours.
The length of a hollow pipe is 658 cm. The air column in the pipe is vibrating and has four nodes. Find the frequency of the sound wave in the pipe
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