Q. What is the angular velocity of earth
A) $\frac{2\pi}{86400}\ rad/sec$
B) $\frac{2\pi}{3600}\ rad/sec$
C) $\frac{2\pi}{24}\ rad/sec$
D) $\frac{2\pi}{6400}\ rad/sec$
Explanation
(a) Angular velocity $= \frac{2\pi}{T} = \frac{2\pi}{24}\ rad/hr = \frac{2\pi}{86400}\ rad/s$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.