## Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson

# Chapter 15 - Exercises and Problems - Page 282: 74

#### Answer

The proof is below.

#### Work Step by Step

Using the definition of pressure, the surface area of a hemisphere, and integration, we find: $F=(\Delta P)(2\pi R^2)\int_0^{\frac{\pi}{3}}cos\theta d\theta$ $F=(\Delta P)(\pi R^2)$

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