Given the following parameters:

Reaction time $=1\mathrm{.}2[sec]$

Initial velocity $=40[mph]$

Curb$-to-$curb intersection width $=55[ft]$

Vehicle length $=20[ft]$

Stop lines $=12$ feet from curb

Yellow $(or$ intergreen $)$ time $=5\mathrm{.}0[sec]$

Deceleration $=10f\frac{t}{se{c}^2}$

a $(1$ pt