Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 5 - Plug and Chug: 24

Answer

Find the resultant of the perpendicular 100 km/h vectors by using the Pythagorean theorem. $$(100 \frac{km}{h})^{2}+(100 \frac{km}{h})^{2} =v^{2}$$ $$v=141 \frac{km}{h} $$
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