Question

In the figure, water flows through a horizontal pipe and then out into the atmosphere at a speed v1 = 15.0 m/s. The diameters of the left and right sections of the pipe are 4.70 cm and 3.20 cm. (a) What volume of water flows into the atmosphere during a 10 min period? In the left section of the pipe, what are (b) the speed v2 and (c) the gauge pressure?

Answer #1

In the figure, water flows through a horizontal pipe and then
out into the atmosphere at a speed v1 = 16.0
m/s. The diameters of the left and right sections of the pipe are
4.70 cm and 3.20 cm. (a) What volume of water
flows into the atmosphere during a 10 min period? In the left
section of the pipe, what are (b) the speed
v2 and (c) the gauge
pressure?

A 7.0-cm-diameter horizontal pipe gradually narrows to 5.0 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 33.0 kPa and 23.0 kPa ,
respectively.
What is the volume rate of flow?

A 6.7 cm diameter horizontal pipe gradually narrows to 5.3 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 31.5 kPa and 23.4 kPa ,
respectively.What is the volume rate of flow?

A 6.3 cm diameter horizontal pipe gradually narrows to 4.5 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 31.0 kPa and 26.0 kPa ,
respectively. What is the volume rate of flow?

A 7.0-cm-diameter horizontal pipe gradually narrows to 4.0 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 32.0 kPa and 24.0 kPa ,
respectively.
What is the volume rate of flow? Express your answer using two
significant figures.

A 7.0-cm-diameter horizontal pipe gradually narrows to 5.0 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 32.0 kPa and 25.0 kPa ,
respectively.
What is the volume rate of flow?
Express your answer using two significant figures.

Water flows through a horizontal pipe at a rate of 2.3 m3/s. A
pressure gauge placed on a 40 cm diameter section of the pipe reads
210.3 kPa. What is the gauge pressure in a section of pipe where
the diameter is constricted to 35 cm and what has caused this
change in pressure?

A 7.2 cm diameter horizontal pipe gradually narrows to 4.8 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 33.0 kPa and 26.0 kPa ,
respectively.
What is the volume rate of flow?
Express your answer to two significant figures and include the
appropriate units.

A 6.4 cm diameter horizontal pipe gradually narrows to 3.9 cm .
When water flows through this pipe at a certain rate, the gauge
pressure in these two sections is 30.5 kPa and 25.2 kPa ,
respectively.
What is the volume rate of flow?
Express your answer to two significant figures and include the
appropriate units.

Water flows through two horizontal pipes that are connected one
after another but located at different heights. There are pressure
gauges on each of the pipes. The speed of the water through the
lower pipe is 5.0 m/s. The two pipes have different diameters. The
lower pipe has a diameter of 6 cm and the higher one 4 cm. Assume
no viscous losses.
a. Draw a diagram of the situation and calculate the speed in
the upper pipe.
b. What...

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