The angular velocities of three bodies in simple harmonic motion are ${\omega _1},\,{\omega _2},\,{\omega _3}$ with their respective amplitudes as ${A_1},\,{A_2},\,{A_3}$. If all the three bodies have same mass and velocity, then
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(a)Velocity is same. So by using $v = a\omega $
==> ${A_1}{\omega _1} = {A_2}{\omega _2} = {A_3}{\omega _3}$
==> ${A_1}{\omega _1} = {A_2}{\omega _2} = {A_3}{\omega _3}$
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