College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Exercises - Page 29: 23

Answer

a). 91.4 m by 48.8 m, b). 27.9 cm by 28.6 cm.

Work Step by Step

a). 1 feet = 0.3048 m So, 300 feet = $300\times 0.3048$=91.44=91.4 m (rounded off) and 160 feet = $160\times 0.3048$=48.768=48.8 m (rounded off) b). 1 inch = 2.54 cm So, 11 inch = $11 \times 2.54 $ = 27.94 cm = 27.9 cm (rounded off) Similarly, 11$\frac{1}{4}$ inch = $\frac{45}{4}\times2.54$=28.6 cm (rounded off).
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