Physics

Problem

A flywheel with moment of inertia

0.40\,\text{kg}\cdot\text{m}^2

accelerates from

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

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

while turning through exactly 15 revolutions. Determine the magnitude of the constant torque that produced this change.