A 23gram bullet traveling 280 ms penetrates a 42 kilogram
A 23gram bullet traveling 280 m/s penetrates a 4.2 kilogram block of wood and emerges cleanly at 200 m/s. If the block is stationary on a frictionless surface when hit, find how fast does it move after the bullet emerges?
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a 23gram bullet traveling 280 ms penetrates a 42 kilogram block of wood and emerges cleanly at 200 ms if the block is
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a 600 kilogram lady stands at one end of a 120 kilogram raft that is 60 meter long the other end of the raft is 050
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