Gravitation

Question: How much energy will be necessary for making a body of 500 kg escape from the earth $[g = 9.8\,m/{s^2}$, radius of earth $ = 6.4 \times {10^6}\,m]$

1) About $9.8 \times {10^6}\,J$

2) About $6.4 \times {10^8}\,J$

3) About $3.1 \times {10^{10}}\,J$

4) About $27.4 \times {10^{12}}\,J$

Solution:

Explanation: No Explanation

Gravitation Potential Gravitational Potential Energy and Escape Velocity

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