Question:
Derive Dimensionally, s=ut 1/2a(t)(t).
Answer:
This equation can be useful for finding displacement. However, if we dont know the final velocity, it is useless.
We could first work out v from "v = u + at". But let us be radical and substitute "v = u + at" into the second equation-
s = ½ (u + v) × t
s = ½ (u + u + at) × t
s = ut + ½ at²
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