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March 30, 2015

Homework Help: physics

Posted by Anonymous on Monday, November 26, 2012 at 4:15pm.

A cart of mass 223 g is placed on a frictionless horizontal air track. A spring having a spring constant of 10.20 N/ m is attached between the cart and the left end of the track. When in equilibrium, the cart is located 11.0 cm from the left end of the track. If the cart is displaced 4.20 cm from its equilibrium position, find
(c) its speed when it is 14.0 cm from the left end of the track.

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