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A moving mass of 8kg collides elastically with a stationary mass of 2 kg. If E be the initial kinetic energy of the mass,

A moving mass of 8kg collides elastically with a stationary mass of 2 kg. If E be the initial kinetic energy of the mass, the kinetic energy left with it after collision will be - (a) 0.80E (b) 0.64 E (c) 0.36 E (d) 0.08 E

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