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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2000

  • question_answer
    A chimpanzee swinging on a swing in a sitting position, stands up suddenly, the time period will:

    A)  become infinite              

    B)  remain same

    C)  increase                             

    D)  decrease

    Correct Answer: D

    Solution :

    The swinging is a simple harmonic motion. The time period of the simple harmonic motion is \[T=2\pi \sqrt{\frac{I}{g}}\propto \sqrt{l}\] When the chimpanzee stands up, then the length of the swing \[l\] will decrease. Hence, the time period also decreases.


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