runninglovexoxo
02.12.2019 •
Physics
Coil a of radius 3.37 m lies in the xy-plane, with its center at the origin. coil b of radius 5.61 cm is perpendicular to the z-axis with its center on the z-axis. coil a has a current of 6.35 a and is fixed in place. coil b is moving towards coil a along the +z-axis at 4.27 m/s. estimate the e induced in coil b at the moment it passes through the origin. take counterclockwise as viewed from the +z-axis as positive. answer in units of v.
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Ответ:
Kinetic Energy = 1/2 mass*velocity^2
K=1/2mv^2
Therefore if you reduce the speed of an object by 1/2, K reduced to 1/4 its value.