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AP EAMCET2005PhysicsLaws of Motion

The instantaneous velocity of a point B of the given rod of length 0.5 ~m is 3 ~m / s in the represented direction. The angular velocity of the rod for minimum velocity of end A is

Options

  1. A1.5 rad/s
  2. B5.2 rad/s
  3. C2.5 rad/s
  4. DNone of these

Correct answer

B. 5.2 rad/s

Step-by-step solution

If rod is rotated about end A , then vertical component of velocity v_ of end A will be zero. aligned & = v 60^ l = 3 v 2 l & = 3 3 2 0.5 =5.2 rad / s aligned

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