A long tube with cross sectional area 0.468m2 and height 7.27m is standing vertically and filled with an ideal gas. A distance 6.30m from the bottom of the tube is a massless and thin plunger that can move up and down and prevents the gas beneath the plunger from escaping. Above the plunger, a fluid of density 2105kg/m3 can be added. Before the fluid is added, the gas column beneath the plunger is at room temperature (298K) and pressure (101000Pa). This is illustrated in the image below. The fluid is added above the plunger until it is a depth of 0.970000000000001m. What is the pressure on the top of the plunger after the fluid is added?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A long tube with cross sectional area 0.468m2 and height 7.27m is
standing vertically and filled with an ideal gas. A distance 6.30m from
the bottom of the tube is a massless and thin plunger that can move
up and down and prevents the gas beneath the plunger from
escaping. Above the plunger, a fluid of density 2105kg/m3 can be
added. Before the fluid is added, the gas column beneath the plunger
is at room temperature (298K) and pressure (101000Pa). This is
illustrated in the image below. The fluid is added above the plunger
until it is a depth of 0.970000000000001m. What is the pressure on
the top of the plunger after the fluid is added?
Transcribed Image Text:A long tube with cross sectional area 0.468m2 and height 7.27m is standing vertically and filled with an ideal gas. A distance 6.30m from the bottom of the tube is a massless and thin plunger that can move up and down and prevents the gas beneath the plunger from escaping. Above the plunger, a fluid of density 2105kg/m3 can be added. Before the fluid is added, the gas column beneath the plunger is at room temperature (298K) and pressure (101000Pa). This is illustrated in the image below. The fluid is added above the plunger until it is a depth of 0.970000000000001m. What is the pressure on the top of the plunger after the fluid is added?
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