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A wheel which is initially at rest is su...

A wheel which is initially at rest is subjected to a constant angular acceleration about its axis. It rotates through an angle of `15^@` in time `t` sec. Then how much it rotates in the next `2t` sec

A

`90^@`

B

`120^@`

C

`30^@`

D

`45^@`

Text Solution

Verified by Experts

The correct Answer is:
B
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