The average P-E- of a body executing S-H-M- is - dfrac -1-2-ka-2-dfrac -1-4-ka-2-ka-2-Zero

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The average $P . E .$ of a body executing $S . H . M .$ is :
$\frac{1}{2} {k a}^{2}$
$\frac{1}{4} {k a}^{2}$
${k a}^{2}$
Zero

Zero

\frac{1}{2} {k a}^{2}

\frac{1}{4} {k a}^{2}

{k a}^{2}

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