The pressure at the bottom of am 18-ft-deep strong tank for gasoline is how much

Question

The pressure at the bottom of am 18-ft-deep strong tank for gasoline is how much greater than at the top? Express your answer in the units psi. Blood pressure is conventionally measured in the dimensions of millimeters in a column of mercury, and the readings arer expected as two numbers, for example 12, and 80. The first number is called the systolic value, and it is the maximum pressure developed as the heart contracts. The second number (called the diastolic readings? The density of mercury is 13.54 Mg/m3.

Explanation / Answer

Systolic = 120 mm Hg = 13.54 * 1000 * 9.81* 0.120 (Pa) = 15.93928 kPa 1 psi = 6.895 KPa therfore 120 mmHg = 2.3117 psi Diastolic = 80mmHg = 13.54 * 1000 * 9.81* 0.08 (Pa) =10.62619 kPa = 1.5411 psi Diff 5.31309 kPa ,or 0.7706 Psi

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