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What is the true weight of an object in ...

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

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The correct Answer is:
B, C
For geostatioN/Ary satellite
`=r=4.2xx10^4 km`
`h=3.6xx10^4km`
Given `mg=10N`
`=mgh=mg-R^2/((R+h)^2)`
`==10((6400xx10^3)^2)/((6400xx10^3+3600xx10^3))`
`=10[((64xx10^5)^5)/((6.4xx10^6+36xx10^5))]`
`=[(4096xx10^10)/((4.40)^2xx10612)]`
`=4096/17980=0.227N`
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