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A satellite is revolving around the sun in a circular orbit with uniform velocity v. If the gravitational force suddenly disappears, the velocity of the satellite will be (a) zero (b) v (c) 2v (d) infinity

A satellite is revolving around the sun in a circular orbit with uniform velocity v. If the gravitational force suddenly disappears, the velocity of the satellite will be
(a) zero
(b) v
(c) 2v
(d) infinity

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
The satellite is revolving around earth because the centripetal force is balanced by earth's gravitational pull.If the gravitational pull disappears, the satellite free of centripetal force. So, it will travel with its instantaneous velocity i.e. in the directiontangential to the circular path.

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