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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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