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Answer to Question #58101 in Mechanics | Relativity for Christbeauty

Question #58101
19 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth
gR2(R+h)2
gR(R+h)
g(R−h)R
g(R−h)2R2

20 A 2000 kg satellite orbits the earth at a height of 300 km. What is the speed of the satellite and its period? Take
G=6.67×10−11Nm2/kg2
, Mass of the earth is
5.98×1024
kg
7.73 km/s and
5.4×103
s
855.4km/s and
7.7×104
s
497.2km/s and
5.5×105
s
322.3km/s and
4.3×104
s
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