Physics And Measurement Question 218

Question: If $ x=at+bt^{2} $ , where x is the distance travelled by the body in kilometers while t is the time in seconds, then the unit of & is

Options:

A) km/s

B) $ kms $

C) $ km/s^{2} $

D) $ kms^{2} $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] $ [x]=[bt^{2}] $ .

Hence $ [b]=[x/t^{2}]=km/s^{2} $



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