A space station is set up in space at a distance equal to earth's radius from the surface of ear....

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A space station is set up in space at a distance equal to earth's radius from the surface of earth. Suppose a satellite can be launched from the space station also. Let and be the escape velocities of the satellite on the earth's surface and space station respectively. Then
(1)
(2)
(3)
(4) 1,2 and 3 are valid depending on the mass of satellite
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