Find the coefficient of kinetic friction between the ramp

Reference no: EM1344938

Q. A winch is used to drag a 440 crate up a ramp at a constant speed of 72 by means of a rope that pulls parallel to the surface of the ramp. The rope slopes upward at 27 above the horizontal, and the coefficient of kinetic friction between the ramp and the crate is 0.320.

Q. Julie drives 100 mi to her Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 25mph and the other half at 80. On her return trip, she drives half time at 25mph and half the time at 80 mph.

Reference no: EM1344938

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