Physics - Gravitation Question with Solution | TestHub

The mass of a spaceship is $1000\mathrm{kg}$. It is to be launched from the earth's surface out into free space. The value of ' $\mathrm{g}$ ' and ' $R$ ' (radius of earth) are $10\mathrm{m}/{\mathrm{s}}^2$ and $6400\mathrm{km}$ respectively. The required energy for this work will be ;