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5. 5J A man of mass 50 kg is standing in an elevator. If elevator is moving up with an acceleration 9 then wor done by normal reaction of floor of elevator on man when elevator moves by a distance 12 m (g = 10 m/s2) (1) 2000 J (2) 4000 J (3) 6000 (4) 8000J A particle moves along x-axis under the action of a position denendant fom THE

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Q1

A man of mass 520 kg is standing in an elevator . if elevator is moving up with an acceleration

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