Kinematics Question 804

Question: What is the angular velocity of earth[IIT JEE 2005]

Options:

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 $

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Answer:

Correct Answer: A

Solution:

Angular velocity $ =\frac{2\pi }{T}=\frac{2\pi }{24}rad/hr $

$ =\frac{2\pi }{86400}rad/s $



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