Escape velocity of a body of 1 kg. On a planet is 100 ms-1. Gravitational potential energy of the body at the planet is ……
A. -5000 J
B. – 1000 J
C. – 2400 J
D. 4000 J
Answer:A
Escape velocity of a body of 1 kg. On a planet is 100 ms-1. Gravitational potential energy of the body at the planet is ……
A. -5000 J B. – 1000 J C. – 2400 J D. 4000 J