What must be the angular velocity of rotation of the earth so that the effective…
Physics · JEE Main · NTA Exams — Gravitation
What must be the angular velocity of rotation of the earth so that the effective acceleration due to gravity at the equator is zero?
The radius of the earth = 6.4 × 106 m.
[given: \(\frac{\sqrt{g}}{8}=0.39\)]
The radius of the earth = 6.4 × 106 m.
[given: \(\frac{\sqrt{g}}{8}=0.39\)]
- 3.3 × 10-3 rad s-1
- 3.5 × 10-3 rad s-1
- 3.7 × 10-3 rad s-1
- 3.9 × 10-3 rad s-1
Answer
(D) 3.9 × 10 -3 rad s -1
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