A rope is used to pull a 357 kg block at constant speed526


A rope is used to pull a 3.57 kg block at constant speed5.26 m along a horizontal floor. The forceon the block from the rope is 8.22 N andis directed 15° above the horizontal.

(a) What is the work done by the rope's force?

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(b) What is the increase in the thermal energy of the block-floorsystem?

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(c) What is the coefficient of kinetic friction between the blockand floor?

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Physics: A rope is used to pull a 357 kg block at constant speed526
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