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A 37.8 kg box initially at rest is pushed 5.27 m along a rough, horizontal floor with a constant applied horizontal force of 81.3836 N. If the coefficient of friction between box and floor is 0.19, find the work done by the applied force. The acceleration of gravity is 9.8 m/s2 . Answer in units of J

Find the work done by the friction. Answer in units of J

Find the change in kinetic energy of the box. Answer in units of J

Find the the final speed of the box. Answer in units of m/s

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