Question

Chapter 02, Problem 011 You are to drive to an interview in another town, at a distance of 270 km on an expressway. The interview is at 11:15 a.m. You plan to drive at 100 km/h, so you leave at 8:00 a.m. to allow some extra time. You drive at that speed for the first 110 km, but then construction work forces you to slow to 44.0 km/h for 44.0 km. What would be the least speed needed for the rest of the trip to arrive in time for the interview? Number Enter your answer in accordance to the question statement Units Choose the answer from the menu in accordance to the question statement

Answer 1

Speed 100 Answer's distance = 270 km leave time = 8:00 am , interview time=1115 AM Total time -3 how 15 mins -> 3.25 hog Time taken for first 110 km · Distance - 110 = 101 hr Distance left = 160 Speed for rent = 49km = 44 km/h 1. Time - eur = Ihr Total hours left = 3.25-(171) =1.15 distance left = 160-44 =116. speed = 1 = 100.869 km/nr. 44