A 20-G Bullet Moving at 1 000 M/s Is Fired

question 52

Multiple Choice

A 20-g bullet moving at 1 000 m/s is fired through a one-kg block of wood emerging at a speed of 100 m/s.What is the kinetic energy of the block that results from the collision if the block had not been moving prior to the collision and was free to move?

• A)10 kJ
• B)9.8 kJ
• C)0.16 kJ
• D)0.018 kJ

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