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Physics
If the radius of a planet is R and its density is p , the escape velocity from its surface will be
If the radius of a planet is R and its density is p , the escape velocity from its surface will be
(a) v
e
∝ pR (b) v
e
∝√pR
(c) v
e
∝ (√p/R) (d) v
e
∝ (1/√pR)
Answer: b
(5)
5/5 - (2 votes)
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Escape velocity on earth is 11.2 km/s. What would be the escape velocity on a planet whose mass is 1000 times and radius is 10 times that of earth
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If acceleration due to gravity on the surface of a planet is two times that on surface of earth and its radius is double that of earth. Then escape velocity from the surface of that planet in comparison to earth will be
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (126)
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