Gravitation - Result Question 50
53. The escape velocity of a body on the surface of the earth is . If the earth’s mass increases to twice its present value and the radius of the earth becomes half, the escape velocity would become
[1997]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 53. (b)
Solution:
- (b) Escape velcocity
Given