alleryThe escape speed for the moon works out to about:
A5.3 km/s
B9.3 km/s
C1.3 km/s
D2.3 km/s
Answer & Solution
Correct answer: D. 2.3 km/s
1. Escape speed depends on the mass and radius of the body.
2. The moon is far smaller than the earth.
3. Its escape speed is about 2.3 kilometres per second.
_Source: syllabus Physics Part I, Chapter 8, Gravitation._
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