FIRST EQUATION OF MOTION
Vf = Vi + at Consider a body initial moving with velocity "Vi". After a certain interval of time "t", its velocity becomes "Vf". NowChange in velocity = Vf - Vi
OR
DV =Vf – ViDue to change in velocity, an acceleration "A" is produced in the body. Acceleration is given bya = DV/t Putting the value of "DV"a = (Vf – Vi)/t
at = Vf – Vi
at + Vi =Vf
OR
Vf = Vi + at
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