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Question

What is the true weight of an oboject in a geostationary satellite that eighed exactly 10.0 N at the north pole?
 


Solution

For geostationary satellite,
r=4.2×104 km
 h=3.6×104km
Given, mg = 10 N
mgh=mgR2(R+h)2=10(6400×103)2(6400×103+3600×103)=(64×105)5(6.4×106+36×105)=10[4096×1010(42.4)2×1012]=409617980=0.227N
 

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