(Answered) As part of a safety investigation two 1900 kg cars

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As part of a safety investigation, two 1900 kg cars traveling at 17 m/s are crashed into different barriers.

Part A. Find the average force exerted on the car that hits a line of water barrels and takes 1.3 s to stop.

Express your answer to two significant figures and include the appropriate units.

Part B. Find the average force exerted on the car that hits a concrete barrier and takes 0.20s to stop.

Express your answer to two significant figures and include the appropriate units.

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