a 40 kg girl is running along a circular path of radius 1 metre with a uniform speed the work done by this girl zero region in this case displacement is zero after one rotation
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A 40 kg girl is running along a circular path of radius 1 m with a uniform speed. How much work is done by the girl in completing one circle? After one complete rotation, the displacement is zero. So, no work is done by the girl.31-Jan-2013
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