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  4. For a particle of mass m executing SHM with angular frequency ω , the kinetic energy k is given by k=k0cos2 ω t . The equation of its displacement can be

Q. For a particle of mass executing SHM with angular frequency , the kinetic energy is given by The equation of its displacement can be

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Solution:

If m is the mass, r is the amplitude of oscillation, then maximum kinetic energy,

The displacement equation can be

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