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An object of mass 4 kg moving with velocity of 6 m/s along a straight line collides head on with another object of mass 2 kg which is at rest. If the collision is perfectly elastic what is the velocity of the first object after the collision
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An object of mass 4 kg moving with velocity of 6 m/s along a straight line collides head on with another object of mass 2 kg which is at rest. If the collision is perfectly elastic what is the velocity of the first object after the collision
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