The Earth is assumed to be a sphere of radius 
A platform is arranged at a height R from the surface of the Earth. The escape velocity of a body from this platform is 
, where 
is its escape velocity from the surface of the Earth. The value of 
is
a)
b)
c)
d)
The Earth is assumed to be a sphere of radius A platform is arranged at a height R from the surface of the Earth. The escape velocity of a body from this platform is , where is its escape velocity from the surface of the Earth. The value of is
a)
b)
c)
d)
Question ID - 55051 | SaraNextGen Top Answer
The Earth is assumed to be a sphere of radius A platform is arranged at a height R from the surface of the Earth. The escape velocity of a body from this platform is , where is its escape velocity from the surface of the Earth. The value of is
a)
b)
c)
d)
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The Earth is assumed to be a sphere of radius |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
Escape velocity of the body from the surface of earth is 
Escape velocity of the body from the platform
Potential energy + Kinetic energy = 0
127 votes
Answer Link
127