Question

A speeder is driving his car at a constant speed of 35.0 m/s on a wet one-lane highway. He then enters a tunnel and observes a slow driving truck 135 m ahead traveling at 4.00 m's. He applies his brakes and accelerates at -2.00 m/s. At what time do they collide? How far into the tunnel do they collide? a. b. e hat is the mini lin Bbtne beh uchsder wohyeato the brakes to prevent from colliding with the truck?

Answer 1

Here, we use the concept of relative motion.