Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 1 - Chemical Foundations - Exercises: 50

Answer

$10.4 \text{ m/s}$ $3.76*10^{1} \text{ km/hour}$ $34.2 \text{ ft/s}$ $2.34*10^{1} \text{ miles/hour}$ $8.77 \text{ seconds}$

Work Step by Step

$$\frac{100 \text{ m}}{9.58 \text{ s}}=10.4 \text{ m/s}$$ $$\frac{100 \text{ m}}{9.58 \text{ s}}*\frac{1 \text{ km}}{1000 \text{ m}}*\frac{3600 \text{ seconds}}{1 \text{ hour}}=3.76*10^{1} \text{ km/hour}$$ $$\frac{100 \text{ m}}{9.58 \text{ s}}*\frac{3.28084 \text{ ft}}{1 \text{ meter}}=34.2 \text{ ft/s}$$ $$\frac{100 \text{ m}}{9.58 \text{ s}}*\frac{1 \text{ km}}{1000 \text{ m}}*\frac{0.621371 \text{ miles}}{1 \text{ km}}*\frac{3600 \text{ seconds}}{1 \text{ hour}}=2.34*10^{1} \text{ miles/hour}$$ $$1*10^2 \text{ yards}*\frac{3 \text{ feet}}{1 \text{ yard}}*\frac{1 \text{ sec}}{34.2 \text{ ft}}=8.77 \text{ seconds}$$
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