Questions
The ratio of escape velocity at the surface of earth to the escape velocity at the surface of a planet whose radius and mean density are twice as that of earth is
a
1 : 2
b
1 : 2√2
c
1 : 4
d
1 : √2
detailed solution
Correct option is B
As escape velocity from earthTalk to our academic expert!
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When a projectile attains the escape velocity, then on surface of planet its
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