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Q. |
Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth- |
A. | remains same |
B. | becomes half |
C. | becomes twice |
D. | becomes one-fourth |
Answer» D. becomes one-fourth | |
Explanation: The gravitational force is proportional to 1/R2, where R is the distance from the centre of the Earth. So at a height of 2R from the centre of the earth, the corresponding weight would be one-fourth of the original weight. |
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