The launch “platform” with the spacecraft rotates in a circular lunar orbit with a radius equal to three times the radius of the Moon. The ship leaves the “platform” in the direction of its movement with a relative speed equal to the initial orbital speed of the “platform”, after which it falls to the Moon. Determine the angle a at which the “platform” crashes into the lunar surface if the ratio of the masses of the “platform” and the ship mpl/mcor = 2.

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