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2 Dec 2020
How far should an object be taken away from the center of the earth, so that its weight is one-quarter of its weight on the surface of the earth?
How far should an object be taken away from the center of the earth, so that its weight is one-quarter of its weight on the surface of the earth?
4 Aug 2023
Amal JeevaLv10
2 Dec 2020
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