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A moving body collides elastically with another body of equal mass at rest. Then, after collision (A) A part of energy is dissipated as

A moving body collides elastically with another body of equal mass at rest. Then, after collision (A) A part of energy is dissipated as heat (B) Momentum is conserved but K.E is not conserved. (C) Both masses start moving with the same velocity (D) The moving mass transfers whole of its energy to the mass which is at rest.

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