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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 10 - Gravitation > Statement 1 : Kepler’s second law can be understood by conservation of angular momentum principle. Statement 2 : Kepler’s second law is related with areal velocity which can further be proved to be based on conservation of angular momentum as (dA/dt)=(r^2ω)/2.

Statement 1 : Kepler’s second law can be understood by conservation of angular momentum principle. Statement 2 : Kepler’s second law is related with areal velocity which can further be proved to be based on conservation of angular momentum as (dA/dt)=(r^2ω)/2.

In order to shift a body of mass m from a circular orbit of radius 3R to a higher orbit of radius 5R around the earth the work done is?