a. A raindrop (m= .001 kg) hits a roof of a car at -15 m/s. After it hits, it spatters so the effective final velocity is 0. The time of impact is .01 s. What is the average force? b. What if it is ice so that it bounces off at 10 m/s?

University Physics Volume 1
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Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 92AP: A car crashes into a large tree that does not move. The car goes from 30 m/s to 0 in 1.3 m. (a) What...
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a. A raindrop (m= .001 kg) hits a roof of a car at -15 m/s. After it hits, it spatters so the effective final velocity is 0. The time of impact is .01 s. What is the average force?


b. What if it is ice so that it bounces off at 10 m/s?   
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