Answer
the 2200-lb car
Work Step by Step
Following Example-10 with the formula $F=W\ sin\theta$. We have $F_1=2200\ sin(2^\circ)\approx76.7789\ lb$ and $F_2=2000\ sin(2.2^\circ)\approx76.7756$, thus the 2200-lb car has greater grade resistance.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions - 5.3 Exercises - Page 534: 141
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