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    A mass M on a spring oscillates along a vertical line with the same period T as an object O in
    uniform circular motion in a vertical plane. When M is at its highest point, O is at its lowest
    point. What is the least time interval between successive instants when the acceleration of M is
    exactly in the opposite direction to the acceleration of O?
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    (Original post by bella-26)
    A mass M on a spring oscillates along a vertical line with the same period T as an object O in
    uniform circular motion in a vertical plane. When M is at its highest point, O is at its lowest
    point. What is the least time interval between successive instants when the acceleration of M is
    exactly in the opposite direction to the acceleration of O?
    Just moved this to the physics section to increase your chances of getting an answer

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      (Original post by bella-26)
      A mass M on a spring oscillates along a vertical line with the same period T as an object O in
      uniform circular motion in a vertical plane. When M is at its highest point, O is at its lowest
      point. What is the least time interval between successive instants when the acceleration of M is
      exactly in the opposite direction to the acceleration of O?

      Welcome to TSR physics.

      Do you have any thoughts on this yourself?
      In particular, for both objects, how do you determine the direction of their accelerations?

      In particular, the acceleration of the mass on the spring can only be either vertically upwards or vertically downwards. When is the acceleration of the other object vertically downwards or upwards?
     
     
     
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