23. Determine the job A, which makes the force of the gravitational field of the Earth, if the body mass m = 1 kg fall on the Earth's surface: 1) with a height h, equal to the radius of the Earth; 2) from infinity. The radius R of the Earth and the gravitational acceleration g on the surface assumed to be known.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)