A 22-g bullet traveling 290 m/s penetrates a 2.0 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.

Principles of Physics: A Calculus-Based Text
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Chapter8: Momentum And Collisions
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A 22-g bullet traveling 290 m/s penetrates a 2.0 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.
v'B=________
 
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