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A 2.50 kg block is pulled horizontally 4.30 m over horizontal ground by a 22.0 N applied force. Ifμk = 0.56, find:

(a) the work done by the applied force;

(b) the work done by friction;

(d) the change kinetic energy of the block;

(e) the final speed of the block if it started at 3.5 m/s.

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