an artificial sattelite in moving in a circular orbit of radius 42250km . calculate its speed if it takes 24hours to revolve around the earth
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Answered by
1
Answer:Radius of the orbit = 42250 km = 42250 x 1000 m
Time taken for one revolution = 24 hours = 24 x 60 x 60 sec Speed =86400
Answered by
2
Answer:
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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