Answer to Question #109045 in Physics for Hamza

Question

Calculate the angular displacement of an object rotating from pi/2 to 4pi/3

Answer 1

The angular displacement of an object:

$$\Delta \theta=\theta_2-\theta_1$$

$$\Delta \theta=\frac{4\pi}{3}-\frac{\pi}{2}=\frac{5\pi}{6}\ rad=150\degree$$