It has been estimated that a man's heart is about 33 cm below his brain. Considering the density of human blood to be 1.1 x 103 kg/m3, what pressure must the heart produce to supply blood to the brain?

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. It has been estimated that a man's heart is about 33 cm below his brain. Considering the density
of human blood to be 1.1 x 103 kg/m3, what pressure must the heart produce to supply blood to
the brain?
3. Water flows through a venturi meter. At the constricted section where the area is 24 cm2, the
pressure is 10.2 N/cm2, and at the section where the area is 64 cm2, the pressure is 18.0 N/cm?.
Determine the velocities of water in the larger and smaller pipes and the rate of flow.
4. A cylindrical tank is 6 m high and is full of water. An orifice 1 m from the top is opened. How far
from the bottom of the tank will the jet strike the ground?
Transcribed Image Text:2. It has been estimated that a man's heart is about 33 cm below his brain. Considering the density of human blood to be 1.1 x 103 kg/m3, what pressure must the heart produce to supply blood to the brain? 3. Water flows through a venturi meter. At the constricted section where the area is 24 cm2, the pressure is 10.2 N/cm2, and at the section where the area is 64 cm2, the pressure is 18.0 N/cm?. Determine the velocities of water in the larger and smaller pipes and the rate of flow. 4. A cylindrical tank is 6 m high and is full of water. An orifice 1 m from the top is opened. How far from the bottom of the tank will the jet strike the ground?
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