## Physics: Principles with Applications (7th Edition)

First, we convert 65 km/h to 18.1 m/s and 120 km/h to 33.3 m/s. Next, we use the equation below to find t: v = $v_{0}$ + at t = $\frac{v-v_{0}}{a}$ t = $\frac{33.3m/s - 18.1m/s}{1.8m/s^2}$ t = 8.44s