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A satellite is seen after every 6 hours over the equator. It is known that is rotates opposite to that of earth’s direction. Then the angular velocity ( in radians per hour) of the satellite about the centre of earth will b

a
π2
b
π3
c
π4
d
π8

detailed solution

Correct option is C

2πTrel=2πTearth+2πTsatellite⇒2π6=2π24+2πTsatellite⇒ωsatellite=2πTsatellite=π4

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