An artificial satellite is moving in a circular orbit of radius 42250 km.calculate the speed if it takes 24 hour
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Radius of circular orbit, r= 42250 km
Time taken to revolve around the earth, t= 24 h
Speed of a circular moving object,
v= (2π r)/t
=[2× (22/7)×42250 × 1000] / (24 × 60 × 60)
=(2×22×42250×1000) / (7 ×24 × 60 × 60) m s-1
=3073.74 m/ s
=3.07km/s
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