A massless spring of force constant 19 nm hangs vertically, Ask an Expert

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A massless spring of force constant 19 N/m hangs vertically. A body of mass 0.20-kg is attached to its free end and then released. Assume that the spring was unstretched before the body was released.

a) Find, how far below the initial position the body descends?

b) Find the frequency?

c) find the amplitude of the resulting motion, assumed to be simple harmonic?

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