A car is driven for 60 miles. The first 10 miles are through a large city at a speed of 40 mph; once out of the city a speed of V mph is maintained. (a) Calculate the average speed for the 60-mile trip. (b) If you want to average 60 mph for the trip, how fast need you go during the last 50 miles?
A car is driven for 60 miles. The first 10 miles are through a large city at a speed of 40 mph; once out of the city a speed of V mph is maintained. (a) Calculate the average speed for the 60-mile trip. (b) If you want to average 60 mph for the trip, how fast need you go during the last 50 miles?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A car is driven for 60 miles. The first 10 miles are through a large city at a speed of 40 mph; once out of the city a speed of V mph is maintained. (a) Calculate the average speed for the 60-mile trip. (b) If you want to average 60 mph for the trip, how fast need you go during the last 50 miles?
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