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  3. J & K CET Engineering

J & K CET Engineering J and K - CET Engineering Solved Paper-2007

  • question_answer
    A body is tied to one end of the string and whirled in a vertical circle, the physical quantity which remains constant is

    A)  momentum   

    B)  speed

    C)  kinetic energy

    D)  total energy

    Correct Answer: D

    Solution :

    Momentum, speed and kinetic energy change continuously in a vertical circular motion. The physical quantity which remains constant is the total energy.


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