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MHT CET202121 Sep 2021Morning ShiftPhysicsLaws of MotionActual

A particle moves in a circular orbit of radius ' r ' under a central attractive force, F =- k r , where k is a constant. The periodic time of tis motion is

Options

  1. Ar ^ 1 2
  2. Br ^ 2 3
  3. Cr
  4. Dr ^ 3 2

Correct answer

C. r

Step-by-step solution

mr ^2= k r ^2= k mr ^2 1 r^2 1 r T r

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