Physics education research, electronic materials, and the musings of Christopher Moore, Ph.D.
Physics education research, electronic materials, and the musings of Christopher Moore, Ph.D.
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I have been having trouble with this question from one of my assignments. Any help would be greatly appreciated.
If a satellite orbits the Earth with a period of 120 minutes, determine its altitude above the Earth's surface.
I know the answer is 1.69E3 km but I am not sure how to get there.
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Period of the satellite is given by the expression
T^2 = 4*π^2*r^3/GM, where r = R+h and h is the altitude of the satellite.
Here GM = g*R^2, where R is the radius of the earth
Substitute the values and find the value of h.
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