A nozzle (pipe) with a diameter of \( 0.4 \mathrm{~cm} \) is connected to a hose with a radius of \( 1.1 \mathrm{~cm} \). If it is known that the flow through the nozzle and the hose is \( 0.5 \mathrm{liter} / \mathrm{sec} \), then the flow velocity in the nozzle is?....m/ s. Hint: enter numbers up to two decimal places.
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A drinking fountain shoots water about 14 $\mathrm{cm}$ up in the air from a nozzle of diameter 0.60 $\mathrm{cm}$ . The pump at the base of the unit $(1.1 \mathrm{m}$ below the nozzle) pushes water into a $1.2-$ $\mathrm{cm}$ -diameter supply pipe that goes up to the nozzle, What gauge pressure does the pump have to provide? Ignore the viscosity; your answer will therefore be an underestimate.
Consult Multiple-Concept Example 15 to review the concepts on which this problem depends. Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 1.9 cm, and the radius of the nozzle is 0.48 cm. The speed of the water in the pipe is 0.62 m/s. Treat the water as an ideal fluid, and determine the absolute pressure of the water in the pipe.
A drinking fountain shoots water about 12 cm up in the air from a nozzle of diameter 0.60 cm (Fig. 10$-$57). The pump at the base of the unit (1.1 m below the nozzle) pushes water into a 1.2-cm-diameter supply pipe that goes up to the nozzle. What gauge pressure does the pump have to provide? Ignore the viscosity; your answer will therefore be an underestimate. FIGURE 10–57 Problem 93. (Figure can't copy)
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