A car traveling at 7.5 m/s accelerates 3.8 m/s2 to reach a speed of 14.0 m/s. How long does it take for this acceleration to occur? Answer in units of s
u=7.5
a=3.8
v=14
find t
The first formula has u,a v and t
so use that one
14=7.5+3.8t
6.5=3.8t
t=6.5/3.8 seconds