$*$C$4-60$: A flywheel is rotating at a constant rate of $30\mathrm{.}0$ rev$/$s for $40\mathrm{.}0$ s$.$

$($a$)$ What is the total angle, in radians, through which a point on the flywheel

rotates? $($b$)$ How many revolutions does it rotate through? $($c$)$ What is its rotational

rate in revolutions per minute $($rpm$)?$

Answers: $($a$)7540$ rad $($b$)1200$ rev $($c$)1800$ rpm