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A wheel has angular acceleration of 3.0 ...

A wheel has angular acceleration of `3.0 rad//s^2` and an initial angular speed of `2.00 rad//s`. In a tine of `2 s` it has rotated through an angle (in radian) of

A

6

B

10

C

12

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
`alpha=3rad//s^(2)`, `omega_(0)=2rad//sec` : `t=2sec`
`theta=omega_(0)t+(1)/(2)alphat^(2)`
`impliestheta=2xx2+(1)/(2)xx3(2)^(2)=4+6=10rad`.
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