25. The variation of gravitational acceleration g with altitude y is given by: where km is the...
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25. The variation of gravitational acceleration g with altitude y is given by:
where km is the radius of the Earth, and m/s2 is the gravitational acceleration at sea level. The change in the gravitational poten-
tial energy, U, of an object that is raised from the Earth is given by:
Determine the change in the potential energy of a satellite with a mass of 500 kg that is raised from the surface of the Earth to a height of 800 km.
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