A rope is used to pull a 225 kg block at constant speed 747


A rope is used to pull a 2.25 kg block at constant speed 7.47 m along a horizontal floor. The force on the block from the rope is 7.52 N and directed 15.0° above the horizontal. What are

(a) the work done by the rope's force,

(b) the increase in thermal energy of the block-floor system, and

(c) the coefficient of kinetic friction between the block and floor?

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Physics: A rope is used to pull a 225 kg block at constant speed 747
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