1.

If velocity of a particle is given by `v=(2t+3)m//s`. Then average velocity in interval `0letle1` s is :A. `(7)/(2)m//s`B. `(9)/(2) m//s`C. `4 m//s`D. `5 m//s`

Answer» Correct Answer - C
`v_(av)=(intvdt)/(intdt)=(int_(0)^(1)(2t+3)dt)/(int_(0)^(2)dt)=((t^(2)+3t)_(0)^(1))/((t)_(0)^(1))=4m//s`


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