Question

Define escape velocity Obtain an expression for the escape velocity of a body with which it is thrown from the surface of the earth (planet)

Answer 1

The minimum velocity with which a body can escape the gravitational field of a planet is known as escape velocity.

V= square root of 2GM/R

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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