As part of a safety investigation, two 1400 kg cars traveling at 20 m/s are crashed into

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As part of a safety investigation, two 1400 kg cars traveling at 20 m/s are crashed into different barriers. Find the average forces exerted on 

(a). The car that hits a line of water barrels and takes 1.5 s to stop,

(b). The car that hits a concrete barrier and takes 0.1 s to stop.

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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