A rifle bullet weighing 17 gand traveling 240 ms penetrates
A rifle bullet weighing 17 gand traveling 240 m/s penetrates a 2.5 kg block of wood and emergesgoing 175 m/s. If the block is stationary on a frictionless surfacewhen hit, how fast does it move after the bullet emerges?
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a rifle bullet weighing 17 gand traveling 240 ms penetrates a 25 kg block of wood and emergesgoing 175 ms if the block
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