JEE · NEET Previous Year Question
A satellite is revolving in a circular orbit at a height h from the earth surface, such that where is the radius of the earth. Assuming that the effect of earth's atmosphere can be neglected the minimum increase in the speed required so that the satellite could escape from the gravitational field of earth is:
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- A
- B
- C
- D
Correct answer: D
Solution
(d) JEE Main 2019For a satellite orbiting close to the earth, orbital velocity is given by
Escape velocity is
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