Question

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 9.8 m/s to 0 m/s.
Find the time interval of acceleration for
the bus.
Answer in units of s

Answer 1

\[a(t) =-3.8\]
\[v(t) = -3.8t +9.8 = 0\]
\[t = \frac{9.8}{3.8}\]