A flywheel rotating at is brought to rest by a constant angular deceleration after…

PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics

Problem

A flywheel rotating at

60\,\text{rad s}^{-1}

is brought to rest by a constant angular deceleration after making

120

complete revolutions. The time taken for the flywheel to come to rest is closest to (a)

12.6\,\text{s}

(b)

25\,\text{s}

(c)

18.8\,\text{s}

(d)

50\,\text{s}