9. Work & Energy
Net Work & Work-Energy Theorem
3:58 minutes
Problem 7.62b
Textbook Question
Textbook Question(II) At an accident scene on a level road, investigators measure a car’s skid mark to be 78 m long. It was a rainy day and the coefficient of friction was estimated to be 0.30.
(b) Why does the car’s mass not matter?
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