A frictionless spring with a 7-kg mass can be held stretched 1.8 meters beyond its natural length by a force of 70 newtons. If the spring begins at its equilibrium position, but a push gives it an initial velocity of 1.5 m/sec, find the position of the mass after t seconds.
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A frictionless spring with a 7-kg mass can be held stretched 1.8 meters beyond its natural length by...
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