A particle moves in straight line in same direction for 20 seconds with velocity `3 m//s` and the
Channel: Doubtnut
Date: 28/01/2020

A particle moves in straight line in same direction for 20 seconds with velocity `3 m//s` and the moves with velocity `4 m//s` for another 20 sec and finally moves with velocity `5 m//s` for next 20 seconds. What is the average velocity of the particle?