JEE · NEET Previous Year Question

A thin smooth rod of length and mass is rotating freely with angular speed about an axis perpendicular to the rod and passing through its center. Two beads of mass and negligible size are at the center of the rod initially. The beads are free to slide along the rod. The angular speed of the system, when the beads reach the opposite ends of the rod, will be:

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: C

Solution

(c) JEE Main 2019

or

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