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December 21, 2014

Homework Help: Physics

Posted by BJ on Friday, January 8, 2010 at 5:08pm.

A 930 kg car strikes a huge spring at a speed of 22 m/s, compressing the spring 12.0 m.
(a) What is the spring stiffness constant of the spring?

(b) How long is the car in contact with the spring before it bounces off in the opposite direction?

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