Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Chapter 7, Problem 4SP
A car traveling at a speed of 22 m/s (approximately 50 MPH) crashes into a solid concrete wall. The driver has a mass of 80 kg.
- a. What is the change in momentum of the driver as he comes to a stop?
- b. What impulse is required in order to produce this change in momentum?
- c. How does the application and magnitude of this force differ in two cases: the first, in which the driver is wearing a seat belt, and the second, in which he is not wearing a seat belt and is stopped instead by contact with the windshield and steering column? Will the time of action of the stopping force change? Explain.
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Chapter 7 Solutions
Physics of Everyday Phenomena
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