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In attempting to jump start a car of mass 1100kg, two brotherseach push with an equal force of magnitude 670N parallel to thecar's velocity. The car moves at a constant speed of 2.8 m/sfor 55m, when it starts. The car is on a road that slopes downhillat 0.7 degrees with the horizontal.

Find the friction force that acts on the car.

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Category:- Physics
Reference No.:- M91101657

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