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July 30, 2014

Homework Help: Physics

Posted by John on Friday, December 4, 2009 at 3:37pm.

An ideal spring with a stiffness of 329 N/m is attached to a wall, and its other end is attached to a block that has a mass of 15.0 kg. The spring/block system is then stretched away from the spring's relaxed position until 57.0 J of mechanical energy is stored in the spring. Then the system is released to oscillate freely. With the block sliding horizontally on the level, frictionless floor. Find the speed of the block when the spring is compressed by 18.4 cm.

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