A geostationary satellite orbits around the earth in a circular orbit of radius 36000 km. Then, the time period of a spy satellite orbiting a few hundred kilometers above the earth's surface r( earth =6400 km) will approximately be
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Answer:
2 Hours
Step by step Explanation:
We know time period of geostationary satellite is 24 hrs = T1
Also T^2 is directly proportional to R^3
R2 = Earth Radius
R1 = Satellite distance from Earth
T2 / T1 = (R2 / R1)^(3/2)
T2 / 24 = (6400/36000)^(3/2)
T2 = 24 × (6400/36000)^(3/2)
= 2 hours
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