1.

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]

A. ? 5000 J
B.               ? 1000 J
C.             ? 2400 J
D.               5000 J
Answer» B.               ? 1000 J


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