A 10-G Bullet Moving Horizontally with a Speed of 1

question 80

Multiple Choice

A 10-g bullet moving horizontally with a speed of 1.8 km/s strikes and passes through a 5.0-kg block initially at rest on a horizontal frictionless surface. The bullet emerges from the block with a speed of 1.0 km/s. What is the kinetic energy of the block immediately after the bullet emerges?

• A) 8.0 J
• B) 6.4 J
• C) 5.3 J
• D) 9.4 J
• E) 10 J

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