Question: A 0 . 3 9 - kg object connected to a light spring with a force constant of 2 2 . 8 N / m

A0.39-kg object connected to a light spring with a force constant of 22.8N/moscillates on a frictionless horizontal surface. The spring is compressed 4.0 cmand released from rest.
(a) Determine the maximum speed of the object.
(b) Determine the speed of the object when the spring is compressed1.5 cm.
(c) Determine the speed of the object as it passes the point 1.5 cm from the equilibrium position.
(d) For what value ofxdoes the speed equal one-half the maximum speed?

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