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A sledge loaded with bricks has a total mass of 18.2 kg and is pulled at...

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Physics

A sledge loaded with bricks has a total mass of 18.2 kg and ispulled at constant speed by a rope. The rope is inclined at 20.1°above the horizontal, and the sledge moves a distance of 19.2 m ona horizontal surface. The coefficient of kinetic friction betweenthe sledge and surface is 0.500.

(a) What is the tension of the rope?
N
(b) How much work is done by the rope on the sledge?
kJ
(c) What is the mechanical energy lost due to friction?
kJ

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