Jee Main
Rotational Motion
JEE Main 2025 (Online) 23rd January Evening Shift
MCQ+4 / -12025
A circular disk of radius R meter and mass M kg is rotating around the axis perpendicular to the disk. An external torque is applied to the disk such that $\theta(t)=5 t^2-8 t$, where $\theta(t)$ is the angular position of the rotating disc as a function of time $t$.
How much power is delivered by the applied torque, when $t=2 \mathrm{~s}$ ?
