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Q. What is the angular velocity of earth?

VMMC MedicalVMMC Medical 2012

Solution:

Time period of earth on its own axis $ T=24\,h $ $ =24\times 60\times 60\,s $ $ \therefore $ Angular velocity $ \omega =\frac{2\pi }{T} $ $ =\frac{2\pi }{24\times 60\times 60} $ $ =\frac{2\pi }{86400}\,\,\text{rad/s} $