Question: A 3 kg block slides on a rough horizontal surface from point A to point B. A force of magnitude 16 N acts on the

A 3 kg block slides on a rough horizontal surface from point A to point B. A force of magnitude 16 N acts on the block between A and B as shown in the figure. Points A and B are 5 m apart and the magnitude of the force of friction acting on the block between A and B is 7 N. If the kinetic energy of the block is 14 J at point A, what is the kinetic energy of the block at point B ? J

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