Question

Blocks A and B are moving toward each other along the xaxis. A has a mass of 2.0 kg and a velocity of 50 m/s, while B has a mass of 4.0 kg and a velocity of -25 m/s. They suffer an elastic collision and move off along the xaxis. The kinetic energy transferred from A to B during the collision is:
A) 0 J
B) 2500 J
C) 5000 J
D) 7500 J
E) 10000 J

Answer

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