CBSE Class 11-science Answered
What is the speed required for a stone ,which is projected from earth , So that it rotates around the Earth ?
Asked by Pavan Teli | 12 Oct, 2013, 03:23: PM
Expert Answer
The speed with which a stone or any object orbits around earth is known as critical velocity.
It is given as
Where, G is the universal gravitation constant, M is the mass of Earth and r is the distance of object from the centre of earth.
Thus, a stone projected from earth will acquire a speed which depends on its distance from centre.
If r is known, v can be found by substituting the values of G, M and r.
Answered by Romal Bhansali | 14 Oct, 2013, 12:15: PM
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