A Bullet with a Mass of 20 G and a Speed

question 29

Multiple Choice

A bullet with a mass of 20 g and a speed of 960 m/s strikes a block of wood of mass 4.5 kg resting on a horizontal surface.The bullet gets embedded in the block.The speed of the block immediately after the collision

• A)cannot be found because we don't know whether the surface is frictionless.
• B)is 0.21 km/s.
• C)is 65 m/s.
• D)is 9.3 m/s.
• E)None of these is correct.

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