Question

define escape velocity .derive expression for it

Answer 1

The highlighted area is expression for escape velocity.
escape velocity is the velocity at which an object should be projected towards the sky so that it can overcome the gravitational force of earth.

Answer 2

$\textbf{Answer :}$



$\huge\textbf{Escape Velocity :}$



It is the minimum velocity required by an object to escape from gravitational field of a planet such that it never comes back.



$\textbf{Derivation is in Attachment !!}$

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