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A 520-turn solenoid is 14 cm long. The current in it is 32 A . A 5.0 cm -long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 26 A current downward (and is connected by other wires that don't concern us).
What is the force on this wire assuming the solenoid's field points due east?
Two identically constructed clocks are synchronized. One is put into orbit around Earth, and the other remains on Earth. Which clock runs more slowly? When the moving clock return to Earth, will the two clocks still be synchronized? Talk about from t..
A nuclear power plant has a reactor that produces heat at the rate of870MW. This heat is used to produce260MW of mechanical power to drive an electricalgenerator. What is the thermal efficiency of the plant
Illustrate at what angle should a curve of radius 140 m be banked, so cars can travel safely at 33 m/s without relying on friction?
A toboggan approaches a snowy hill moving at 14.8. Find the acceleration of the toboggan after it has reached its highest point and is sliding down the hill. Assume axis directed up the hill
A rugby player passes the ball 7.75 m across the field, where it is caught at the same height as it left his hand. At what angle was the ball thrown
Two electrons in the same atom both have n = 9 and = 3. (Keep in mind that the electrons are indistinguishable) How many different states are possible? How many different states would be possible if the exclusion principle were inoperative?
a Pilot sets up a simple accelerometer in the cockpit of his plane by hanging a small pendulum. What is his acceleration at that time
A solenoid of radius 2.3 cm has 450 turns and a length of 24 cm. Find the rate at which current must change through it to produce an emf of 80 mV
A 40.0 kg beam is attached to a wall with a hinge while its far end is supported by a cable such that the beam is horizontal. what is the vertical component of the force exerted by the hinge on the beam
A ball rolls off a table and falls 0.81 m to the floor, landing with a speed of 5.5 m/s. What initial speed must the ball have if it is to land with a speed of 6.3 m/s
a give step-by-step directions of how the rod without actually touching either sphere can be used to give one of the
A truck starts out at position x = 3.1 mi and y = 6.7 mi and winds up at position x = 5.2 mi, y = 2.1 mi. Find the magnitude and direction of the truck's displacement
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