Answer
$P=1.5\times 10^6Pa$
Work Step by Step
We know that
$P=\frac{F}{A}$
$\implies P=\frac{mg}{4[\pi(\frac{d}{2})^2]}$
$P=\frac{mg}{\pi d^2}$
We plug in the known values to obtain:
$P=\frac{(79+3.7)(9.81)}{\pi(0.013)^2}$
$P=1.5\times 10^6Pa$
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 15 - Fluids - Problems and Conceptual Exercises - Page 530: 8
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