Q1. Two cars with equal mass collide head on. One car is going 18 mph. That car is push backward about 38 feet. What is the speed of other vehicle?

Q2. A motorist is travelling at 18 m/s when he sees a deer in the road 38 m ahead. (a) If the maximum negative acceleration of the vehicle is -4.5 m⁄s^2, what is the maximum reaction time ?t of the motorist that will allow him to avoid hitting the deer? (b) If his reaction time is actually 0.300s, how fast will he be travelling when he hits the deer?