Gravitation

Question: If mass of earth is M, radius is R and gravitational constant is G, then work done to take 1 kg mass from earth surface to infinity will be

1) $\sqrt {\frac{{GM}}{{2R}}}$

2) $\frac{{GM}}{{R}}$

3) $\sqrt {\frac{{2GM}}{R}}$

4) $\frac{{GM}}{{2R}}$

Solution:

Explanation: No Explanation

Gravitation Potential Gravitational Potential Energy and Escape Velocity

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