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May 22, 2015

Homework Help: physics

Posted by Lauren on Monday, July 2, 2012 at 12:52pm.

A 1370 kg car rolling on a horizontal surface has a speed of 20 km/hr when it strikes a horizontal coiled spring and is brought to rest in a distance of 5.5 m. What is the spring constant (in N/m) of the spring? (Ignore nonconservative forces such as friction.)

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