A satellite launched in the equatorial plane in such a way that it can transmit signal up to 60 latitude - Physics - Magnetism And Matter

Question

A satellite launched in the equatorial plane in such a way that it
can transmit signal up to 60 latitude on the earth The angular
velocity of the satellite is

Pintu B. · Accepted Answer

Dear Student ,
Here in this case ,
In ∆AOB : cos 60°=ROB⇒OB=2RHere the gravitational force will provide the required centripetal force 
Hence , GMmOB2=mOBω2⇒ω=GMOB3=GM2R3=GM8R3
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A satellite launched in the equatorial plane in such a way that it can transmit signal up to 60 latitude on the earth. The angular velocity of the satellite is