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For any S.H.M., amplitude is 6 cm . If instantaneous potential energy is half the total energy then distance of particle from its mean position isA. 3 cmB. 4.2 cmC. 5.8 cmD. 6 cm |
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Answer» Correct Answer - B If at any instant displacement is y then it is given that `U=1/2xxE rArr 1/2momega^2y^2=1/2xx(1/2momega^2a^2)` `rArr y=a/sqrt2=6/sqrt2`=4.2 cm |
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