Question
The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with acceleration
−5.15 m/s2 for 4.20 s, making skid marks 62.1 m long that end at the tree. With what speed does the truck then strike the tree?
−5.15 m/s2 for 4.20 s, making skid marks 62.1 m long that end at the tree. With what speed does the truck then strike the tree?