A turntable that is initially at rest is set in motion with a constant angular…

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

9. A turntable that is initially at rest is set in motion with a constant angular acceleration

\alpha

. What is the angular velocity of the turntable after it has made one complete revolution? (A)

\sqrt{2 \alpha}

(B)

\sqrt{2 \pi \alpha}

(C)

\sqrt{4 \pi \alpha}

(D)

2 \alpha

(E)

4 \pi \alpha