Escape velocity of a planet is 20kms^-1. Find the orbital velocity of the smallest possible orbit.

Escape velocity of a planet is 20kms^-1. Find the orbital velocity of

1.	Escape velocity of a planet is 20kms^-1. Find the orbital velocity of the smallest possible orbit.
Answer» SOLUTION :`v_e` = SQRT2 XX v_o` i.e., `20xx10^3` = sqrt2 v_o` or `v_o` = `10sqrt2 xx 10^3ms^-1`