derive the following equations of motion by graphically method : (i) v = u + at please help me
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From the first equation of motion,
v=u+at
t= av−u ...........(i)
For a uniformly accelerated motion, Average velocity=
2v+u ...........(ii)
Displacement=Average Velocity×Time
Substituting from (i) and (ii),
s=( 2v+u )×( av−u )
∴v 2 =u 2 +2as
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