Lessons

Eamcet Physics
1 st Year : Unit 6.3( Gravitation ) - Orbital And Escape Velocities

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Q.

The ratio of the K.E. required to be given to the satellite to escape earth's gravitational field to the K.E. required to be given so that the satellite moves in a circular orbit just above earth atmosphere is

View Answer

Correct choice: B

Explanation:

K.E. required for satellite to escape from earth's gravitational field

K.E. required for satellite to move in circular orbit

The ratio between these two energies = 2
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