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A uniform ring rolls on a horizontal sur...

A uniform ring rolls on a horizontal surface with out slipping. Its centre of mass moves with a constant speed v. then speed of the upper most point on its rim above the ground is

A

v

B

2v

C

`v//2`

D

`sqrt2 v`

Text Solution

Verified by Experts

The correct Answer is:
B
`V_(R )=v + v = 2 v`.
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