Question
Sat September 28, 2013 By: Udayan Sarkhel
 

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.

Expert Reply
Romal Bhansali
Sun September 29, 2013
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;
 
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