Answer
$7.46cm$
Work Step by Step
We can determine the required height as follows:
$h_2=\frac{\rho_g-\rho_a}{\rho g}h$
We plug in the known values to obtain:
$h_2=(0.2)\frac{1260-790}{1260}$
$\implies h_2=7.46cm$
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)
by Knight, Randall D.
Published by
Pearson
ISBN 10:
0321740904
ISBN 13:
978-0-32174-090-8
Chapter 15 - Fluids and Elasticity - Exercises and Problems - Page 437: 43
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