Answer
$1.4$
Work Step by Step
We can find the ratio $\frac{v_a}{v_B}$ as follows:
$\frac{v_A}{v_B}=\sqrt{\frac{F_A}{F_B}}(\frac{d_B}{d_A})$
We plug in the known values to obtain:
$\frac{v_A}{v_B}=\sqrt{\frac{410}{820}}(\frac{1.0mm}{0.50mm})=1.4$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 14 - Waves and Sound - Problems and Conceptual Exercises - Page 492: 17
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