Answer
$v=38.7$ m/s
Work Step by Step
Since the speed of the race car is constant, its tangential component of acceleration is zero, i.e. $a_t=0$. Thus,
$a=a_n=\frac{v^2}{\rho}$
$7.5=\frac{v^2}{200}$
$v=38.7$ m/s
Engineering Mechanics: Statics & Dynamics (14th Edition)
by Hibbeler, Russell C.
Published by
Pearson
ISBN 10:
0133915425
ISBN 13:
978-0-13391-542-6
Chapter 12 - Kinematics of a Particle - Section 12.7 - Curvilinear Motion: Normal and Tangential Components - Problems - Page 65: 111
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