Question

a practical start to move with a velocity 20m/s and it's acceleration is 2m/sec2 .find its velocity after 4sec​

Answer 1

Answer:

u= 20ms-1 acc= 2ms-2 time=4sec

v=u+ at

v=20 + 2×4

v=20 + 8

So velocity after 4sec = 28m/s