5.
The acceleration-time (a - t) graph of a particle
moving along a straight line is shown below
a(m/s²)^
4
0
>t(s)
2
3
Change in velocity of the particle in first 3 s, is
✓(1) 6 m/s
(2) 3 m/s
(3) 2 m/s
(4) 4 m/s
​