Air flows through the tube shown at a rate of 1200 cm³/s. Assume that air is an ideal fluid (incompressible, non- viscous). What is the additional height h of mercury in the right side of the U-tube compared to the left side?
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- Suppose the flow rate of blood through a 1.9 × 10–6-m radius capillary is 3.65 × 10-9 cm3/s. a.) What is the speed, in centimeters per second, of the blood flow? (This small speed allows time for diffusion of materials to and from the blood.) b.) Assuming all the blood in the body passes through capillaries, with the given flow rate in each, how many of them must there be to carry a total flow of 90.0 cm3/s?A water line with an internal radius of 5.48 x 10-3 m is connected to a shower head that has 19 holes. The speed of the water in the line is 2.09 m/s. (a) What is the volume flow rate in the line? (b) At what speed does the water leave one of the holes (effective hole radius= 5.67 x 10-4 m) in the head? (a) Number (b) Number Units Units >In a mercury barometer at atmospheric pressure, the height of the column of mercury in a glass tube is 760 mm. If the mercury in the barometer is replaced with water, what will be the height of the column?
- The Venturi tube discussed in Example 14.8 and shown in figure may be used as a fluid flowmeter. Suppose the device is used at a service station to measure the flow rate of gasoline (p = 7 X10² kg/m³) through a hose having an outlet radius of 1.2 cm. If the difference in pressure is %3D measured to be (P1 - P2 = 1.2 kPa) and the radius of the inlet tube to the meter is 2.4 cm. (a) Find the speed V2 of the gasoline as it leaves the hose. (b) Find the fluid flow rate in cubic meters per second.Air flows through a heating duct with a square cross-section with 6-inch sides at a speed of 4.3 ft/s. Just before reaching an outlet in the floor of a room, the duct widens to assume a square cross-section with sides equal to 13 inches. Compute the speed of the air flowing into the room (in ft/s), assuming that we can treat the air as an incompressible fluid.A weather balloon has an absolute-pressure sensor attached. On the ground the sensor reads PA = 1.01×105 Pa. At a height of h = 968 m, the sensor reads PB = 8.88×104 Pa. a) Assuming air is an incompressible fluid, enter an expression for an estimate of the density of air, in terms of the defined quantities and the acceleration due to gravity, g. b ) Calculate the density of air, in kilograms per cubic meter, assuming it is an incompressible fluid.
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