You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 45.0 km/h to the left. A new model of mass 1500 kg takes 0.150 s from the time of impact until it is brought to rest. Calculate the average force (magnitude and direction) that is exerted on the car by the barrier?

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.40P
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You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 45.0 km/h to the left. A new model of mass 1500 kg takes 0.150 s from the time of impact until it is brought to rest. Calculate the average force (magnitude and direction) that is exerted on the car by the barrier?

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