Balls kinetic energy goes into heating the ball
An 97.6 g lead ball is dropped from rest from a height of 4.57 m. The collision between the ball and the ground is totally inelastic. Assuming all the ball's kinetic energy goes into heating the ball, find its change in temperature.
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One electron is at the origin of a coordinate system. A second electron, somewhere in the x-y plane, feels a force 2.4 X 10^-22 N + 3.6 X 10^-22 N. Where is the second electron located?
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