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A body of mass 2kg is moving under the influence of a central force whose potential energy is given by U=2r^3 J. If the body is moving in a circular orbit of 5m, its energy will be a) 625 J b) 250 J c) 500 J d) 125 J

A body of mass 2kg is moving under the influence of a central force whose potential energy is given by U=2r^3 J. If the body is moving in a circular orbit of 5m, its energy will be


a) 625 J


b) 250 J


c) 500 J


d) 125 J

Grade:11

1 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

let v be speed

centripetal force=(mv2/r)=F=(-dU/dr)

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