First slide

Motion of planets and satellites

Question

A satellite is revolving around the Earth in a circular orbit with a constant speed. If its speed is made 2 times by supplying energy from an external source then what will be the path of satellite after this?

Moderate

A

Straight line
B

Circular
C

Parabola
D

Hyperbola

Solution

Velocity of satellite will become $2 v_{orbital}$ which is greater than $v_{e} (= \sqrt{2} v_{orbital})$ so satellite will escape with hyperbolic path.

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