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March 2, 2015

Homework Help: physics

Posted by ruby on Friday, August 29, 2014 at 12:44pm.

a block of mass 0,5kg is attached to a spring.The spring is compressed to a distance of 0,1m .The block is released .The block moves 0.07m past the eequilibrium position .What is the force of friction that does work on the block? spring const is 500.
F -kx
-500 x .07

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