Asked by Anonymous
A car traveling at a speed of 18 m/s (approximately 40 MPH) crashes into a solid concrete wall. The driver has a mass of 90 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
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
Answers
Answered by
Tess
a. -1600kg*m/s
b. -1600000 N
b. -1600000 N
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