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A small object of uniform density rolls...

A small object of uniform density rolls up a curved surface with an initial velocity `v`. It reached upto maximum height of `3v^(2)//4g` with respect to the initial position. The object is -
.

A

ring

B

solid sphere

C

hollow sphere

D

disc

Text Solution

Verified by Experts

The correct Answer is:
D
`(1)/(2) mv^(2) + (1)/(2) I_(CM) ((v)/( r))^(2) = mg ((3v^(2))/(4g))`
`I = (1)/(2) mr^(2)`
The object is a disc.
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