an artificial satellite is moving in a circular orbit of radius 42250 km. Calculate the speed if it takes it 24 hrs to revolve around earth
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3.07 kms −1
Distance covered by the satellite in 24 hours
s=2πr
=2×3.14×42250=265464.58 km
Therefore speed of satellite,
v=time taken
distance travelled
= 24×60×60
265464.58
=3.07 km s −1
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