15. The escape velocity from the surface of earth is Ve. The escape velocity from the
surface of a planet whose mass and radius are 3 times those of the earth will be:
a. Ve
b. 3Ve
c. 9Ve
d. 27Ve
Answers
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2
Answer:
a ve v
e
=
R
2GM
∴ v
e
∝
R
M
If mass and radius of the planet are three times than that of earth then escape velocity will be same.
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