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An object of mass one unit is hanging from a spring. Initially it is held still...

An object of mass one unit is hanging from a spring. Initially it is held still at 1/2 unit of length below its equilibrium position. It is then released. Using a restoring force given by k=16, find x(t) where x(t) gives the position of the weight at time t. Assuming no damping or external force on the spring. (the second sentence gives Xo and Vo for the initial conditions X(0)= Xo, X'(0)=Vo

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