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As part of a safety investigation, two 1500 kg cars traveling at 20 m/s are cras

ID: 1681123 • Letter: A

Question

As part of a safety investigation, two 1500 kg cars traveling at 20 m/s are crashed into differentbarriers. Find the average forces exerted on (a) the car that hitsa line of water barrels and takes 1.8 s to stop, and (b) the carthat hits a concrete barrier and takes 0.3 s} to stop. Part 1 Find the average forces exerted on (a) the car that hits a line ofwater barrels and takes 1.8 s to stop. (Using 2significant Figures) Part 2 Find the average force exerted on the car that hits aconcrete barrier and takes 0.3 s to stop. (Using 2significant Figures)

Explanation / Answer


Part 2: F[2] = -1500 x 20/0.3 = 1.0e^5 N

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