A 2400kg block of granite is pulled up an inclined plane at a constant speed of 1.3 m/s by an electric motor. The coefficient of kinetic friction between the granite and the surface is .18 … (a) How much work is done by gravity, friction, & the motor? (b) How much power must be supplied by the motor? (Pulled a distance of 50 meters in the x-direction and 30 meters in the y-direction)
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