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The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is fv, where v is its escape velocity from the surface of the Earth. The value of f is
Options
(a) (1/2)
(b) √2
(c) 1/√2
(d) (1/3)
Correct Answer:
1/√2
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The position vector of a particle R as a function of time is given by
- A series L-C-R circuit contains inductance 5 mH, capacitance 2 μF and resistance
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- The term liquid crystal refers to a state that is intermediate between
- A body is placed in an insulating container at temperature 227⁰C.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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