Answered: A runner in a marathon passes the…

A runner in a marathon passes the 8-mile mark at 2 o'clock and the 21-mile mark at 4 o'clock. What is the runner's average speed (in mph) during this time period?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter1: Introduction And Vectors

Section: Chapter Questions

Problem 1CQ

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

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A runner in a marathon passes the 8-mile mark at 2 o'clock and the 21-mile mark at 4 o'clock. What is the runner's average speed (in mph) during this time period?

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