Physics, 16.09.2019 23:20 sanchez626
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 665 and 695 mmhg, respectively, 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. (round the answer to the nearest whole number.)
Answers: 1
we can find delta of height and delta of pressure. So 
, knowing that 1(mmHg) is equal to 133 Pa we can do the convertion to 4000 Pa, because the units of Pascal is Newton/(metre^2). Then we solve the formula to get the height: 
so we get: 
, now we can .
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