Physics
General
Easy
Question
A disc is rolling (without slipping) on a horizontal surface is its centre and and are two points equidistant from . Let , and be the magnitude of velocities of pints and respectively, then


 ,

The correct answer is:
In case of pure rolling bottommost point is the instantaneous centre of zero velocity.
Velocity of any point on the disc, ,
where is distance of point from .
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