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A satellite is revolving round the earth...

A satellite is revolving round the earth in an elliptical orbit :

A

Gravitational force exerted by earth to centripetal force at every point of trajectory.

B

Power associted with gravitational force is zero at every point

C

Work done by gravitational force is zero in some shell parts of the orbit

D

At some point, magnitude of gravitational force is greater than that of centripetal force

Text Solution

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The correct Answer is:
C, D
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