Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 9 - Rotational Dynamics - Problems - Page 244: 17

Answer

The sports car can navigate the curve at a maximum speed of $23.8m/s$

Work Step by Step

Multiple-Concept Example 8 gives us this equation: $$v=\sqrt{rgS}$$ $v$: the maximum speed a car can negotiate the curve without rolling over $r$: the radius of the curve $g$: gravitational acceleration $S$: static stability factor We have $$\frac{v_{sport}}{v_{suv}}=\frac{\sqrt{rgS_{sport}}}{\sqrt{rgS_{suv}}}=\sqrt{\frac{S_{sport}}{S_{suv}}}$$ $$v_{sport}=v_{suv}\sqrt{\frac{S_{sport}}{S_{suv}}}$$ We have $v_{suv}=18m/s$, $S_{sport}=1.4$ and $S_{suv}=0.8$ $$v_{sport}=23.8m/s$$
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