Mathematics · Gravitation
The depth at which the acceleration due to gravity becomes gn is given by which expression? (where R is the radius of the Earth, g is the acceleration due to gravity on the Earth's surface, and n is a positive integer greater than 1):
- 1R(1 - n)n
- 2R(n - 1)2n
- 3R(n - 1)n✓
- 4R(2n - 1)2n
Correct answer
R(n - 1)n
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