When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.8 m/s2 as it slows from 8.8 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.

Answer 1

a=(vf-vi)/time

a=-3.8m/s^2

vf=0m/s
vi=8.8m/s

find time.