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U 54) A person of mass M = 90 kg standing horizontal plane of ice throws a body of mass m = 10 kg horizontally on the same surface. If the distance between the person and body after 10 seconds is 10 metres, the K. E. of the person (in Joules) is (EAMCET 2008M) (1) 0.45 (2) 4.5 (3) 0.90 (4) Zero (56) Tocarte on horizontal straight rails are nushed anart by an explosion of power charge

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