A 22-g bullet traveling 250 m/s penetrates a 1.6 kg block of wood and emerges going 150 m/s . If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units.
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A 22-g bullet traveling 250 m/s penetrates a 1.6 kg block of wood and emerges going 150 m/s .
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