A turntable rotates with a constant $2\mathrm{.}25$ rad$/$s$2$clockwise angular acceleration. After $4\mathrm{.}00$ s it has rotated through a clockwise angle of $30\mathrm{.}0$ rad.

Part A

What was the angular velocity of the wheel at the beginning of the $4\mathrm{.}00$ s interval?

Express your answer in radians per second.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

$0=$

nothing

rad$/$s