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**A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satallite is **

### Options

(a) gx

(b) gR/R-x

(c) gR²/R+x

(d) {gR²/R+x}½

### Correct Answer:

{gR²/R+x}½

### Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Gravitation
(63)

Subject: Physics
(2479)

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