At an accident scene on a level road, investigators measure a car’s skid mark to be 112 m long. It was a rainy day and the coefficient of friction was estimated to be 0.42. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
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At an accident scene on a level road, investigators measure a car’s skid mark to be 112 m long.  It was a rainy day and the coefficient of friction was estimated to be 0.42.  Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.

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