Essay
A 5.0-kg box slides on the surface on a ramp that rises at 
above the horizontal. The coefficient of kinetic friction between the box and the surface of the ramp is 0.60 . What are the magnitude and direction of the acceleration of the box if it is sliding (a) up the ramp, (b) down the ramp?
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(a) 11 m/s² down the...View Answer
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Correct Answer:
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