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Question: Induced EMF and Current in a Shrinking Loop
A circular loop of flexible iron wire has an initial circumference of 161cm , but its circumference is decreasing at a constant rate of 13.0cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 1.00T , which is oriented perpendicular to the plane of the loop. Assume that you are facing the loop and that the magnetic field points into the loop.
Part A: Find the magnitude of the emf EMF induced in the loop after exactly time 8.00s has passed since the circumference of the loop started to decrease.
A thin, metallic, spherical shell of radius a = 7.0 cm has a charge qa = 2.00×10-6 C. What is the charge on the outer surface of the outer shell
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Mitch is skydiving. He Jumps out of a plane and reaches a terminal velocity (constant velocity) of 20 m/s. When he is 1000 m above the ground, Skid, standing directly below Mitch, fires a rocket launcher at Mitch. The rocket has an initial velocit..
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