Question

what is escape velocity?
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Answer 1

Velocity can be defined as the istance covered by a body in unit time in a particular direction. It is a vector quantity as it have both magnitude and direction.

Velocity = Total distance covered/Total time taken.

The S.I. unit of velocity is m/s.

Answer 2

$\huge \underline\red{Answer:-} \\ \\ \underline\red{escape \: velocity \: :-} \: \ \: velocity \: which \: is \: \\ needed \: by \: any \: object \: (body) \: to \: escape \: \\ from \: earth \: gravitational \: influence \: \\ is \: know \: to \: be \: escape \: velocity . \\ \\ \fcolorbox{red}{white}{i \: hope \: it \: helps \: you.}$