Question

20. A particle moves for 20 seconds with velocity 3 m/s
and then velocity 4 m/s for another 20 seconds and
finally moves with velocity 5 m/s for next 20 seconds.
What is the average velocity of the particle
(a) 3 m/s
(b) 4 m/s
(c) 5 m/s
(d) Zero​

Answer 1

Answer:

4m/s

Explanation:

3+4+5/3

12/3

4m/s