The basic barometer can be used to measure the height of a building. If the barometric readings at the top and at the bottom of a building are 675 and 695 mmHg, respectively, Final PDF to printer cen22672_ch01_001-050.indd 11/03/17 07:10 AM 42 INTRODUCTION AND BASIC CONCEPTS determine the height of the building. Take the densities of air and mercury to be 1.18 kg/m3 and 13,600 kg/m3 , respectively.

The basic barometer can be used to measure the height of a building. If the barometric readings at the top and at the bottom of a building are 675 and 695 mmHg, respectively, Final PDF to printer cen22672_ch01_001-050.indd 11/03/17 07:10 AM 42 INTRODUCTION AND BASIC CONCEPTS determine the height of the building. Take the densities of air and mercury to be 1.18 kg/m3 and 13,600 kg/m3 , respectively.