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

Options

A. 4
B. 6
C. 10
D. 12

Answer

C

Explanation

`theta= omegat+(1)/(2) alphat^(2) =(2)(2)+(1)/(2) (3)(2)^(2)`
`=4+6=10` rad