Question

what is kenetic energy..?​

Answer 1

$\huge\underline\mathtt\green{Kinetic\: Energy:}$

The kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.

Explanation:

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Answer 2

$\Huge \sf \mathbb \color{purple}\underline{\colorbox{cyan}{✨ Answer✨}}$

The kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.