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PhysicsQ&A LibraryA 40.5 kg box initially at rest is pushed 4.40 m along a rough, horizontal floor with a constant applied horizontal force of 125 N. If the coefficient of friction between box and floor is 0.300, find the following. (d) the work done by the gravitational force J(e) the change in kinetic energy of the box J(f) the final speed of the box m/sQuestion

A 40.5 kg box initially at rest is pushed 4.40 m along a rough, horizontal floor with a constant applied horizontal force of 125 N. If the coefficient of friction between box and floor is 0.300, find the following.

(d) the work done by the gravitational force

J

(e) the change in kinetic energy of the box

J

(f) the final speed of the box

m/s

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