1.

Check the correctness of the formula S = ut + 1/3 "at"^2 where S is the distance , u is velocity , a is acceleration and t is time.

Answer»

Solution :DIMENSIONALLY, `LHS = [L]`
`RHS = [LT^(-1) ] [T] + [LT^(-2) ] [T]^(2)`
`= [ L] + [ L] = [L]`
Since, the dimension of each TERM on both sides are same, the GIVEN equation is dimensionally correct .


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