Posted by **James ** on Sunday, November 4, 2012 at 7:36pm.

A frictionless spring with a 7-kg mass can be held stretched 1 meters beyond its natural length by a force of 20 newtons. If the spring begins at its spring-mass equilibrium position, but a push gives it an initial velocity of 0.5 m/sec, find the position of the mass after seconds

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**Anonymous**, Tuesday, November 4, 2014 at 5:24pm
/,o

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