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At what distance from mean position is K...

At what distance from mean position is K.E equal to P.E?

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In S.H.M. P.E. `=1/2momega^(2)y^(2)rArrK.E.=1/2momega^(2)(A^(2)-y^(2))`
according to question K.E. = P.E.
`rArr1/2momega^(2)(A^(2)-y^(2))=1/2momega^(2)y^(2)" or "y^(2)=(A^(2)-y^(2))" or "2y^(2)=A^(2)`
`rArr" "y^(2)=(A^(2))/(2)" or "y=pm(A)/(sqrt(2))`
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