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    Question

    A particle is moving in a circular path with constant

    speed. Which of the following is true?
    A Its acceleration is zero Correct Answer Incorrect Answer
    B Its velocity is constant Correct Answer Incorrect Answer
    C Its acceleration is directed towards the center Correct Answer Incorrect Answer
    D Its kinetic energy is zero Correct Answer Incorrect Answer

    Solution

    In uniform circular motion, the speed is constant, but the direction of velocity changes, creating a centripetal acceleration directed toward the center.

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