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(Bihar, Stage-l, 2014-15) 90, A body of mass 20 kg falls through a distance of 50 cm. Then the loss in potential energy is [Take 9 9.8 m/s2 (1) 98 joule (3) 980 joule (2) 329 joule (4) 5000 joule

Answer» (Bihar, Stage-l, 2014-15) 90, A body of mass 20 kg falls through a distance of 50 cm. Then the loss in potential energy is [Take 9 9.8 m/s2 (1) 98 joule (3) 980 joule (2) 329 joule (4) 5000 joule


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