By using the principle of 'Homoginity' check the given equation is dimensionally correct not. a) S=ut+at²
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Check the correctness of s = UT +1/2at2
s is distance so it's dimensions become L.
Nd other side we have ut+1\2at^2.
as 1\2 is a constant it will have dimensions and apply the dimensions to other quantities.
on solving u will get L there also i,e ur LHS = RHS.
thus the equation is dimensionally consistent.
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