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A ring rolls without slipping on the gro...

A ring rolls without slipping on the ground. Its centre `C` moves with a constant speed `u.P` is any point on the ring. The speed of `P` with respect to the ground is `v`.

A

`0 lt v le 2u`

B

v = u, if CP is horizontal

C

v = u, if CP makes an angle of `60^(@)`with the horizontal and P is below the horizontal level of C

D

`v = sqrt(2) u`, if CP is horizontal

Text Solution

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The correct Answer is:
A, C, D
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