MCQ
A particle starting from mean position oscillates simple harmonically with period 4 s. After what time will its kinetic energy be 75% of the total energy?

`( cos 30° = sqrt(3/2))`

  • A
    `1/5` s
  • B
    `1/4` s
  • `1/3` s
  • D
    `1/2` s

Answer

Correct option: C.
`1/3` s
C

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