Your grandfather had to walk to school uphill, both ways, but one way he went at 5.0 km/hr, and the other he went at 4.0 km/hr. What is his average speed for the round trip? 0.50 km/hr 5.6 km/hr 9.5 km/hr 4.4 km/hr

Your grandfather had to walk to school uphill, both ways, but one way he went at 5.0 km/hr, and the other he went at 4.0 km/hr. What is his average speed for the round trip? 0.50 km/hr 5.6 km/hr 9.5 km/hr 4.4 km/hr

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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