An artificial satellite is moving in a circular orbit of radius
42250 km. Calculate its speed if it takes 24 hours to revolve
around the earth.
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Answer:
3073.74ms^-1
Explanation:
Radius of the orbit, r=42250km
Time Taken too revolve around the earth, t=24h
Speed of the satellite,v=2πr/t
=[(2*22/7*42250km)]/(24h)
=[(2*22/7*42250*1000m)]/(24*60*60s)
=(2*22/7*42250*1000)/(7*24*60/60)ms^-1
=3073.74ms^-1
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