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A bullet of mass 25.0 g and traveling at 250 m/s is shot at a stationary...

A bullet of mass 25.0 g and traveling at 250 m/s is shot at a stationary block of wood of mass 1.50 kg sitting on a frictionless surface. The bullet goes through the wooden block and exits at a speed of 140 m/s. How fast is the block moving after the bullet exits ?

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