How far away from the surface of the earth, does the acceleration due to gravity will be reduced by 36% of its value on the surface of the earth if the radius of the earth is 6400 km? - Padhle.Online
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How far away from the surface of the earth, does the acceleration due to gravity will be reduced by 36% of its value on the surface of the earth if the radius of the earth is 6400 km?

 At what height from the surface of the earth, does the acceleration due to gravity will be reduced by 36% of its value on the surface of the earth if the radius of the earth is 6400 km?

(a) 1200 km
(b) 1600 km
(c) 1750 km
(d) 2000 km

Answer: (b) 1600 km

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