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The differential equation for linear S.H...

The differential equation for linear S.H.M. of a particle of mass 2 g is `d^2x/dt^2 +16 x=0`. What is it's force constant ?

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`(d^2x)/dt^2 =-k/mx`
`k/m=16`
`k=16xx2=32"dyne"//cm.`
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