Answer
$173.78\text{ ft/min}$
Work Step by Step
We determine the component $v_x$ of the rate $v$ by which the cars rise vertically:
$\sin 35.4^\circ=\frac{v_x}{v}$
$v_x=\sin 35.4^\circ \cdot 300\approx 173.78\text{ ft/min}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.2 - Right Triangle Trigonometry - 6.2 Exercises - Page 444: 71c
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