23. The variation of gravitational acceleration g with altitude y is given by g R² (R+ y)280 where R = 6371 km is the radius of the earth, and go = 9.81 m/s² is the gravi- tational acceleration at sea level. The change in the gravitational potential energy, AU, of an object that is raised from the earth is given by: AU = ["mgdy 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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23. The variation of gravitational acceleration g with altitude y is given by
g
R²
(R+ y)280
where R = 6371 km is the radius of the earth, and go = 9.81 m/s² is the gravi-
tational acceleration at sea level. The change in the gravitational potential
energy, AU, of an object that is raised from the earth is given by:
AU = ['mgdy
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.
Transcribed Image Text:23. The variation of gravitational acceleration g with altitude y is given by g R² (R+ y)280 where R = 6371 km is the radius of the earth, and go = 9.81 m/s² is the gravi- tational acceleration at sea level. The change in the gravitational potential energy, AU, of an object that is raised from the earth is given by: AU = ['mgdy 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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