Question

what is kinetic energy

Answer 1

$\color{crimson}\huge\underline {\:HEY\:MATE}$

Here is your answer..

The kinetic energy is the energy possessed by an object due to its motion.

The SI unit of kinetic energy is Joule.

Hope it helps you.
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Answer 2

Hey!

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↪ The energy which is possessed by a body all due to its motion is called Kinetic Energy.

↪ Its SI unit is Joules represented as 'J'.

↪ The Kinetic Energy of any freely moving object can be calculated by the formula >>>

Kinetic Energy =
$\frac{1}{2} \times m \: \times {v}^{2}$
Here,
m = mass of the object and,
v = velocity at which the object travels.

↪ This formula was first developed by Gottfried Leibniz and Johann Bernoulli.

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Hope it Helps :)