74. The missile is mounted on the earth's surface to run in a vertical direction. At a minimum speed V1, reported a rocket at launch, it is removed from the surface by a distance equal to the radius of the Earth (R = 6,37 ∙ 106 m)? By all means, but the strength of the gravitational interaction between the Earth and the rocket, ignored.

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