A circular track has a radius of 120 m. An athlete runs half-way round the track and stops. (i) How much distance has she covered? (ii) Calculate her displacement. She takes 54 s to cover the distance. (iii) Calculate her average speed, using the formula average speed = distance covered time taken (iv) Calculate her average velocity using the formula average velocity = displacement time taken

A circular track has a radius of 120 m. An athlete runs half-way round the track and stops. (i) How much distance has she covered? (ii) Calculate her displacement. She takes 54 s to cover the distance. (iii) Calculate her average speed, using the formula average speed = distance covered time taken (iv) Calculate her average velocity using the formula average velocity = displacement time taken

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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