1.

Starting from the origin a body osillates simple harmonicall with a period of 2 s. A fter what time will its kinetic energy be 75% of the total energy?A. `(1)/(3)s`B. `(1)/(4)s`C. `(1)/(6)s`D. `(1)/(12)s`

Answer» Correct Answer - C
`K.E. =(75)/(100)T.E.,"at x"=(A)/(2)`
`t=(T)/(12)=(2)/(12)=(1)/(6)s`


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