Gravitation Question 129

Question: Escape velocity of a body of 1 kg mass on a planet is 100 m/sec. Gravitational Potential energy of the body at the Planet is[MP PMT 2002]

Options:

A) ? 5000 J

B) ? 1000 J

C) ? 2400 J

D) 5000 J

Show Answer

Answer:

Correct Answer: A

Solution:

[ve=2GMR=100,⇒,GMR=5000] Potential energy [U=−GMmR=−5000,J]

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