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Fundamentals Of Physics
Found in: Page 407

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Short Answer

Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.83m. The density of blood is 1.06×10 kg/m3.

Hydrostatic pressure difference in blood pressure between the brain and foot is 1.90×104 Pa

See the step by step solution

Step by Step Solution

Step 1: The given data

  1. Density of blood is p=1.06×103 kg/m3
  2. Height of person h =1.83 m

Step 2: Understanding the concept of hydrostatic pressure difference

We can use the formula for hydrostatic pressure in terms of density, gravitational acceleration, and height to solve for pressure difference. Hydrostatic pressure is that, which is exerted by a fluid at any point of time at equilibrium due to the force applied by gravity.

Formula:

Net pressure applied on a fluid surface, p=pgh (i)

Step 3: Calculation of net hydrostatic pressure

Hydrostatic pressure difference in blood pressure between the brain and foot using equation (i) and the given values can be written as:

p=1.06×103×9.8×1.83 =1.90×104 Pa

Hence, the value of hydrostatic difference in pressure is 1.90×104 Pa

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