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Two artificial satellites one close to t...

Two artificial satellites one close to the surface and the other away, are revolving around the earth. Which one has larger speed?

Text Solution

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The relation for orbital sped is `v=sqrt(GM/(R+h))`, where `h` is the height of the satellite above the earth's surface. Clearly, the smaller is the value of `h`, the greater is the value of `v` and vice versa. Hence, satellite revolving close to earth has larger speed.
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