Question: 3 . Blocks A and B are moving toward each other on a frictionless horizontal surface. Block A has a mass of 2 . 0

3. Blocks A and B are moving toward each other on a frictionless horizontal surface. Block 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 collide and stick together. The kinetic energy lost during the collision is: A.0 J B.1250 J C.3750 J D.5000 J E.5600 J

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