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Starting from rest, a wheel has constant...

Starting from rest, a wheel has constant `alpha=3.0rad//s^(2)`. During a certain 4.0 s interval, it turns through 120 rad. How much time did it take to reach that 4.0 s interval?

A

`-8s`

B

6s

C

`-7s`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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