Question

a racing car has a uniform accelerationof 4m/s-2 what will be its velocity after 3s of start​

Answer 1

a=4m/s²

u=0

v=?

t=3s

using equation of motion v=u+at

v=0+4×3

v=12m/s

Answer 2

Answer:

12m/s

Explanation:

v=u+at

here u=0

a=4m/s2

and t=3sec.