Question

A plane flies from east to west over the equator. In order that the passenger may see the sun motionless.
the speed (kmph) of the plane should be
a) 1256 km
b) 1489 kmh
c) 1676 km
d) 182 kmh
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Answer 1

THE RIGHT ANSWER IS OPTION B) 1489 KMPH

IT IS BECAUSE IT IS THE SPEED OF EARTH ROTATION.....

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Answer 2

Answer:

1676 kmh^-1

Explanation:

speed of the earth

$V_{e} =R_{e}.w_{e}$

    $= 6400.\frac{2 .pi}{T}$

    $=6400.\frac{2*3.14}{24}$

     $=\frac{64*2*314}{24}$

    $=\frac{16*314}{3}$

    $=\frac{5024}{3}$

    = 1674.66 ~ 1676

 Thank you mate...........................

I hope this answer is helpful to you .................