Physics · Gravitation
The acceleration due to gravity at a height of 1 km above the Earth's surface is the same as at a depth 'd' below the surface of the Earth (where h << R). Then:
- 1d = 32 km
- 2d = 1 km
- 3d = 12 km
- 4d = 2 km✓
Correct answer
d = 2 km
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