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Get Full Access to Fluid Mechanics - 2 Edition - Chapter 3 - Problem 18p
Get Full Access to Fluid Mechanics - 2 Edition - Chapter 3 - Problem 18p

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# The barometer of a mountain hiker reads 930 mbars at the

ISBN: 9780071284219 39

## Solution for problem 18P Chapter 3

Fluid Mechanics | 2nd Edition

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Problem 18P

Problem 18P

The barometer of a mountain hiker reads 930 mbars at the beginning of a hiking trip and 820 mbars at the end. Neglecting the effect of altitude on local gravitational acceleration, determine the vertical distance climbed. Assume an average air density of 1.20 kg/m3.

Step-by-Step Solution:

Solution
Introduction

A mountain hiker reads 930 mbars at the beginning and 820 mbars  finally in a barometer  by climbing a mountain.A   barometer  is  a  scientific  instrument  used  to  measure  the  atmospheric  pressure  at a point.We need to find out the distance covered vertically by the climber.

Step 1

At the beginning the pressure readed by the barometer is P bottom =(ρgh)bottom

P bottom =930  mbars

At the final point,(on the top) the pressure readed by the barometer  P top =(ρgh)top

P top =820 mbars

Step 2 of 3

Step 3 of 3

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