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OpenStudy (anonymous):
As part of a safety investigation, two 1900kg cars traveling at 22m/s are crashed into different barriers. Find the average forces exerted on (a) the car that hits a line of water barrels and takes 1.5s to stop, and (b) the car that hits a concrete barrier and takes 0.5s to stop.
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OpenStudy (anonymous):
Solved it. F*t=mv (solve for F)
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