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Found in: Page 471

### College Physics (Urone)

Book edition 1st Edition
Author(s) Paul Peter Urone
Pages 1272 pages
ISBN 9781938168000

# Question: Convert an absolute pressure of to gauge pressure in (This value was stated to be just less than in Example 13.9. Is it?)

Pressure in terms of lb/in2 is 86.95 lb/in2

See the step by step solution

## Step 1: Introduction

We use conversion units to convert N to lb and meters to inches.

## Step 2: Given parameters and conversion units

Absolute pressure = $\mathbf{7}\mathbf{×}{\mathbf{10}}^{\mathbf{5}}\mathbit{N}\mathbf{/}{\mathbit{m}}^{\mathbf{2}}$

gauge pressure =$5.99×{10}^{5}N/{m}^{2}$

1 N = 0.2251b

1 meter = 39.37 inches

## Step 3: Calculate the pressure in new units

$5.99×{10}^{5}\mathrm{N}/{\mathrm{m}}^{2}=\frac{5.99×{10}^{5}×0.225}{39.37×39.37}\mathrm{lb}/{\mathrm{in}}^{2}\phantom{\rule{0ex}{0ex}}=86.95\mathrm{lb}/{\mathrm{in}}^{2}$

Therefore, the pressure in new units is which was stated as just less than 90 1b/in2