College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A 200-gram car is at rest at the top of a 0.8-meter high ramp (point A). When the car is released, it rolls to the bottom of the ramp at a speed of 3.50 m/s. At the bottom of the ramp (point B), the car hits a box and skids to a stop at 10 meters (point C).

Calculate the energy at the top and bottom of the ramp. (bottom of the ramp is 3.50 m/s).

Calculate the energy loss using the formula (|Einitial-Efinal| / Einitial) x 100.

Assume there is friction that brings the car to a stop from point B to point C and that it is related to the normal force as f=μFN. Use Work and the provided measurements to determine the coefficient of friction between the box and the surface.

 

 

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