an artificial satellite is moving in a circular orbit of radius 42250 km then its speed if it takes 24 hours to revolve around the earth is N×3.07km a sec then the value of N is
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Explanation:
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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