The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with an acceleration of 25.60 m/s2 for 4.20 s, making skid marks 62.4 m long that end at the tree. With what speed does the truck then strike the tree?
10/10/2016 ▯ Conceptual Science ▯ Chapter 1 ▯ Aristotle on motion ▯ Aristotle classified motion into categories ▯ Natural motion ▯ Very light things tended to ride ▯ Heacy things fell to the earth ▯ The heavier the faster they fall ▯ Things that were moving tended to stop ▯ Heavenly bodies (planets and stars) tended to move aacross the sky ▯ Violent motions ▯ Objects on earth only move when pushed or pulled ▯ If no force acting on them they stopped moving ▯ Aristotle was so authoritative that he was no one questioned him ▯ If Aristotle