A 22-g bullet traveling 240 m/s penetrates a 2.0-kg block of wood and emerges going 150m/s. If
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A 22-g bullet traveling 240 m/s penetrates a 2.0-kg block of wood and emerges going 150m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
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