GPS (Global Positioning System) satellites orbit at an altitude of 2.8×107 m . Part A. Find the orbital period. Express your answer using two significant figures. Part B Find the orbital speed of such a satellite. Express your answer using two significant figures.
mv^2/R = Gm*M/R^2
R = h + Ro
Ro = earth radius = 6400 km = 6.4 x 10^6 m
h = 2.8 x 10^7 m
R = 3.44 x 10^7 m
v^2 = GM/R
G = 6.67 x 10^-11
M = mass of earth = 6 x 10^24 kg
v^2 = GM/R
v = sqrt(GM/R)
v = 3.4 x 10^3 m/s
v = 2pi*r/T
T = 2pi*r/v
T = 6.34 x 10^4 s = 17.6 hrs = 18 hrs
part b )
v = 3.4 x 10^3 m/s
GPS (Global Positioning System) satellites orbit at an altitude of 2.8×107 m . Part A. Find...
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