Question

a particle moves for 20 seconds with velocity 3m/s and moves with velocity 4m/s for anther 20 seconds and finally moves with 5m/s for next 20 seconds what is the average velocity of the particle

Answer 1

Answer is 4m/s
$20 \times 3 + 4 \times 20 + 20 \times 5 = 240 \\ avg. \: velocity = 240 \div 60 = 4m \: per \: sec$

Answer 2

Answer:

hope it helps u sir ❤❤❤❤❤❤❤