Question

Halliday, Fundamentals of Physics, 10e PRINTER VERSION BACK Chapter 06, Problem 018 You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill (see the figure). You find that the slope of the hill is 6 12.0, that the cars were separated by distance d - 22.0 m when the driver of car A put the car into a slide (it lacked any automatic anti-brake-lock system), and that the speed of car A at the onset of braking was vo 18.0 m/s. With what speed did car A hit car B if the coefficient of kinetic friction was (a) 0.660 (dry road surface) and (b) 0.120 (road surface covered with wet leaves)? (a) Number Units (b) Number Units SHOW HINT GO TUTORIAL LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEM VIDEO MINI-LECTURE Question Attempts: 0 of 6 used SAVE FOR LATER SUBITANSWER :44 AM @ 4. 26/2018

Answer 1

MO es -4 239 mls 2 v 324-188.716 ˇ 11-63 ml S VE 19.653 m/s