As shown, an air space above a long tube is pressurized to 50 kPa vacuum. Water (10°C) from a reservoir fills the tube to a height h. If the pressure in the air space is changed to 75 kPa vacuum, will h increase or decrease, and by how much? Assume atmospheric pressure is 100 kPa.
h Air space -Water
As shown, an air space above a long tube is pressurized to 50 kPa vacuum. Water (10°C) from a reservoir fills the tube
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