Physics
Mechanics
Easy
Question
A body hanging from a spring stretches it by 1 cm at the earth's surface. How much will the same body stretch the spring at a place 16400 km above the earth's surface? (Radius of the earth =6400 km)
- 1.28 cm
- 0.64 cm
- 3.6 cm
- 0.12 cm
The correct answer is: 0.64 cm
At the earth's surface, 
At a height 
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