A turntable starts from rest and increases its angular speed with a constant angular…

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

Problem

A turntable starts from rest and increases its angular speed with a constant angular acceleration of

2.0\,\text{rad/s}^{2}

. How many complete revolutions has the turntable made after

5.0\,\text{s}

? (a)

8.0\text{ rev}

(b)

25\text{ rev}

(c)

4.0\text{ rev}

(d)

1.6\text{ rev}