The Apollo spacecraft orbited the Moon in an elliptical orbit with a maximum distance from the lunar surface (at apopulation) of 312 km and a minimum distance (at periselenia) of 112 km. How much would it be necessary to change the speed of the ship in order to transfer it to a circular orbit with a flight altitude above the surface of the Moon of 112 km, if the engine was turned on for a short time when the ship was in relocation? (The average radius of the Moon is R = 1738 km, the acceleration of free fall on its surface is g = 162 cm/
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