What should be the angular speed with which the earth have to rotate on its axis so that a person on the equator would weigh $\frac{3}{5}$ th as much as present?
What should be the angular speed with which the earth have to rotate on its axis so that a person on the equator would weigh $\frac{3}{5}$ th as much as present?
- A
$\sqrt{\frac{2 g}{5 R}}$
- B
$\sqrt{\frac{2 R}{5 g}}$
- C
$\frac{2 \sqrt{R}}{\sqrt{5 g}}$
- D
$\frac{2 g}{5 R}$
Similar Questions
At what distance from the centre of the earth, the value of acceleration due to gravity $g$ will be half that on the surface ($R =$ radius of earth)
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A planet has same density as that of earth and universal gravitational constant $G$ is twice that of earth, the ratio of acceleration due to gravity, is.
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- [AIIMS 2019]
If a tunnel is cut at any orientation through earth, then a ball released from one end will reach the other end in time ........ $\min$ (neglect earth rotation)
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Statement $I$ : The law of gravitation holds good for any pair of bodies in the universe.
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Statement $I$ : The law of gravitation holds good for any pair of bodies in the universe.
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- [JEE MAIN 2022]