A load of mass .2 kg is hanging from a light spring whose elastic constant is 20 N/m. The load is pulled down .1 m from its equilibrium position and released.(adsbygoogle = window.adsbygoogle || []).push({});

How long is required for the load to reach its equilibrium position?

This is what I did:

T=2π(sqrt(m/k))=.628 s

my friend said the answer should be a fourth of that value, which is .157 s.

Is my friend correct?

Please help

Thanks

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