I don\'t know how to do this problem...can any1 please help meout. A satellite o

Question

I don't know how to do this problem...can any1 please help meout.
A satellite operates at an altitude of 20,200 km and uses communication frequencies of1575.42 MHz. Find the gravitationalfrequency change with respect to Earth.
The solution is .834 Hz but I keepgetting this wrong, please help. Will rate lifesaver!! I don't know how to do this problem...can any1 please help meout.
A satellite operates at an altitude of 20,200 km and uses communication frequencies of1575.42 MHz. Find the gravitationalfrequency change with respect to Earth.
The solution is .834 Hz but I keepgetting this wrong, please help. Will rate lifesaver!!

Explanation / Answer

T = T V / c2 T is the decrease in the period with the decreasein potential V R = 6.37 * 10E6 m radius of earth R + 20.20 * 10E6 m = 26.57 * 10E6 m V = G M ( 1 / 6.37 * 10E6 - 1 / 26.57 * 10E6) V = 6.67 * 10E-11 * 5.98 * E10(24 - 6) * (1 / 6.37 - 1 /26.57) = 4.76 * 10E7 T / T = 4.76 * 10E7 / 9 * 10E16 = 5.29 * 10E-10 5.29 * 10E-10 * 1.575 * 10E9 = .833 T is the decrease in the period with the decreasein potential V R = 6.37 * 10E6 m radius of earth R + 20.20 * 10E6 m = 26.57 * 10E6 m V = G M ( 1 / 6.37 * 10E6 - 1 / 26.57 * 10E6) V = 6.67 * 10E-11 * 5.98 * E10(24 - 6) * (1 / 6.37 - 1 /26.57) = 4.76 * 10E7 T / T = 4.76 * 10E7 / 9 * 10E16 = 5.29 * 10E-10 5.29 * 10E-10 * 1.575 * 10E9 = .833

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