A 20 g bullet moving at 1000 ms is fired through a one-kg
A 20 g bullet moving at 1000 m/s is fired through a one-kg block of wood emerging at a speed of 200 m/s. What is the change in the kinetic energy of the bullet-block system as a result of the collision assuming the block is free to move?
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a 20 g bullet moving at 1000 ms is fired through a one-kg block of wood emerging at a speed of 200 ms what is the
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