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Question

Using dimension verify the corrections of a physical equation
S=ut+12at2

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Solution

Physical equation is correct if LHS and RHS have same dimensional formula
so , s=ut+12at2 have dimension

[M0L1T0]=[LT1][T]+[LT2]

[L]=[L]+[L]

since LHS and RHS have same dimension so equation is dimensionally correct


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