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FIND THE WEIGHT OF AN OBJECT AT A HEIGHT OF 6400 KM ABOVE THE EARTH'S SURFACE. THE WEIGHT OF THE OBJECT AT THE SURFACE OF THE EARTH IS 20 N.

Asked by udayan Sarkhel 28th September 2013, 7:24 PM
Answered by Expert
Answer:
The radius of earth is R = 6400 km.
Thus, the height of the object is h = 2R
The weight of the object is given as;
 
 
Thus, the weight at height h is;
 
Answered by Expert 29th September 2013, 10:29 AM
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