An artificial satellite is moving in a circular orbit of radius
42,250 km. Calculate its linear velocity, if it takes
24 hours to revolve round the earth.(Ans. 3.1 km s-)
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Answer:
linear velocity v = rw
= r*2pie/T [w= 2pie/T]
= 42250*2*3.14/86400 ( 24 hr = 86400 s)
= 3.1 km/s
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