1.

A body of mass 2 kg is moved from a point A to a point B by an external agent in a conservative force field. If the velocity of the body at the points A and B are `5 m//s` and `3 m//s` respectively and the work done by the external agent is - 10 J, then the change in potential energy between point A and B isA. 6 JB. 36 JC. 16 JD. None of these

Answer» Correct Answer - A


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