As part of a safety investigation two 1200- rm kg cars, Ask an Expert

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Q. As part of a safety investigation, two 1200- {rm kg} cars traveling at 24- {rm m/s} are crashed into different barriers. Find out the average forces exerted on (a) car that hits a line of water barrels and takes 1.80 {rm s} to stop, and (b) car that hits a concrete barrier and takes 0.4- {rm s} to stop.

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