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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 10 - Gravitation > A particle is projected vertically upward from the surface of earth (radius R ) with a kinetic energy equal to half of the minimum value needed for it to escape. The height to which it rises above the surface of earth is

A particle is projected vertically upward from the surface of earth (radius R ) with a kinetic energy equal to half of the minimum value needed for it to escape. The height to which it rises above the surface of earth is

The distance of two planets from the sun are 10^13 and 10^12 m respectively. The ratio of the periods of the planet is