Which of the given statements is true for the centripetal force required by the satellite to remain in orbit?
(I) The centripetal force is directed towards the centre of the earth.
(II) The magnitude of the gravitational force acting on the satellite is
$F_{gravitational} = \frac{G m M_{e}}{{(R_{e} + h)}^{2}}$ , where $M_{e}$ is the mass of the earth and it is same as centripetal force.
(III) The angular momentum of satilight is directly proportional to square root of radius of the orbit
Choose the correct option:

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I and II

Only II

I, II and III

Only I

answer is D.

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Detailed Solution

All statements are correct

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