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Chapter 10: Q5Q (page 260)
Will an ice cube float in a glass of alcohol? Why or why not?
No. The ice cube will not float in a glass of alcohol.
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Intravenous transfusions are often made under gravity, as shown in Fig. 10鈥�55. Assuming the fluid has a density of \({\bf{1}}{\bf{.00\;g/c}}{{\bf{m}}^{\bf{3}}}\)at what height h should the bottle be placed so the liquid pressure is (a) 52 mm-Hg, and (b) \({\bf{680\;mm - }}{{\bf{H}}_{\bf{2}}}{\bf{O?}}\)(c) If the blood pressure is 75 mm-Hg above atmospheric pressure, how high should the bottle be placed so that the fluid just barely enters the vein?
(II)A\(\frac{5}{8}\;{\rm{in}}\). (inside) diameter garden hose is used to fill a round swimming pool 6.1 m in diameter. How long will it take to fill the pool to a depth of 1.4 m if water flows from the hose at a speed of 0.40 m/s?
(I) If the force \(F\) needed to move the wire in Fig. 10鈥�34 is \(3.4 \times {10^{ - 3}}\;{\rm{N}}\), calculate the surface tension \(\gamma \) of the enclosed fluid. Assume \(l = 0.070\;m\).
Three containers are filled with water to the same height and have the same surface area at the base, but the total weight of water is different for each (Fig. 10鈥�46). In which container does the water exert the greatest force on the bottom of the container?
(a) Container A.
(b) Container B.
(c) Container C.
(d) All three are equal
Blood is placed in a bottle 1.40 m above a 3.8-cm-long needle, of inside diameter 0.40 mm, from which it flows at a rate of \({\bf{4}}{\bf{.1}}\;{\bf{c}}{{\bf{m}}^{\bf{3}}}{\bf{/min}}\). What is the viscosity of this blood?
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