February 26, 2017

Homework Help: physics urgent please help!

Posted by Harmonie on Wednesday, October 2, 2013 at 9:29pm.

way safety engineers build soft barriers
so that cars hitting them will slow down at a
safe rate. A person wearing a safety belt can
withstand an acceleration of 300 m/s
How thick should barriers be to safely stop
a car that hits the barriers at 81.7 km/h?
Answer in units of m

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