Wednesday
April 1, 2015

Homework Help: Physics

Posted by Hao on Tuesday, March 18, 2014 at 9:14pm.

If the work required to stretch a spring 4 feet beyond its natural length is 17 foot-pounds, how much work is needed to stretch it 14 inches beyond its natural length? Your answer must include the correct units. (You may enter lbf or lb*ft for ft-lb.)

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