Multiple Choice
A 22-g bullet moving at 1,200 m/s is fired through a one-kg block of wood emerging at a speed of 100 m/s.What is the change in the kinetic energy of the bullet-block system as a result of the collision assuming the block is free to move?
A) 0 J
B) 15.4 kJ
C) -15.4 kJ
D) 16 J
E) -128 J
Correct Answer:
Verified
Correct Answer:
Verified
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