Physics And Measurement Question 260

Question: With the usual notations, the following equation $ S _{t}=u+\frac{1}{2}a(2t-1) $ is

Options:

A) Only numerically correct

B) Only dimensionally correct

C) Both numerically and dimensionally correct

D) Neither numerically nor dimensionally correct

Show Answer

Answer:

Correct Answer: A

Solution:

[a] On $ LHS,S _{t} $ is the distance while on RHS, u is the speed, so it is not dimensionally correct. It is numerically correct only.



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