Задача 10300.

From infinity to the surface of the earth falls a meteorite weighing 30 kg. Identify the work that will be accomplished with the forces of the gravitational field of the Earth. Acceleration of gravity at the Earth´s surface and its radius assumed to be known.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I try to help.