Prove the formula S=ut+1|2(at sq), graphically.
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Distance travelled =Average velocity x time
=[(Initial velocity + Final velocity)] x time
Or S=[(u+v)/2] x t
From v=u+at
=> S={[u+(u+at)]/2} x t
Or S=[(2u+at)/2] x t
Or S=ut+1 at²
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