Answer :

Let, initial velocity = u


Final velocity = v


We know that according to third Law of kinematics:-


v2 = u2 + 2as


a =


According to Newton’s second law of motion:-


F = ma


(Putting the value of a in the above equation)




Initial kinetic energy =


Final kinetic energy =


The change in kinetic energy =


Final kinetic energy - Initial kinetic energy


The change in kinetic energy =

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