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Define kinetic energy. derive an expression for kinetic energy formula and show relation between kinetic energy and momentum.

Answer»

<P>Answer:

Expression

W=Fs

   =mas

v²=u²+2as

v²=0+2as

a=v²/2s

therefore, W=mas

                    =m x v²/2s x s

                    =mv²/2

              K.E=1/2mv²

Relation between K.E and momentum

K.E=p²/2m

where p is the momentum



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