Army Technical
187
-
A man's weight on the surface of the earth is 75Kg. How much would be weight
in a rocket at a distance of 30000km from the earth?
(B) 5kg
(c) 3kg
(d) 2kg
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Army Technical
187
-
A man's weight on the surface of the earth is 75Kg. How much would be weight
in a rocket at a distance of 30000km from the earth?
(B) 5kg
(c) 3kg
(d) 2kg
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Answer:
(c)3kg
Explanation:
for example:A Man 30,000 km from thesurface of the earth will be 360,000 kmfrom the center of the Earth. So, hisweight would be 75 divided by the square of 36/6, which is 75 divided by 6 squared, or 2.08 kg.