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will 22 авг. 2023 в 10:35 
change back now
bdon 22 авг. 2023 в 4:54 
♥♥♥♥♥♥♥ FURRY
Imaginashun 17 септ. 2021 в 23:10 
(>^^)>
will 17 септ. 2021 в 23:09 
-rep wont eat raw fish with us
a letter 3 март 2021 в 19:28 
Satellites can be put into elliptical orbits if they need only sometimes to be in high- or low-earth orbit, thus avoiding the need for propulsion and navigation in low-earth orbit and the expense of launching into high-earth orbit. Suppose a satellite is in an elliptical orbit, with a = 4426 and b = 4416 (a and b in the standard formula for an ellipse), and with the center of the Earth being at one of the foci of the ellipse. Assuming the Earth has a radius of about 3960 miles, find the lowest altitude of the satellite above the Earth when it's on the major axis of the elliptical orbit.