A particle executes simple harmonic motion with a frequency f the frequency with which kinetic energy oscillation is

dear palavi

y=asinwt

v=dy/dt =awcoswt

K.E= 1/2 *m *V²

     =ma²w²/2 (coswt)²

      =ma²w²/2 (1+cos2wt)/2

      =ma²w²/4   +  ma²w²/4 cos2wt

KE will oscilate with frequency double the frequency of SHM

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