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Showing posts with label MTH642. Show all posts
Showing posts with label MTH642. Show all posts
Nutrients dissolved in water are carried to the upper parts of plants by tiny tubes partly because of the capillary effect. Determine how high the water solution will rise in a tree in a 0.0026-mm-diameter tube as a result of the capillary effect.
Is the capillary rise greater in small- or large-diameter tubes? Explain with reason.
Consider a soap bubble. Is the pressure inside the bubble higher or lower than the pressure outside? Explain with reason.
Determine the pressure exerted on a diver at 15 m below the free surface of the sea. Assume a barometric pressure of 101 kPa and a specific gravity of 1.03 for seawater.
A vacuum gauge connected to a chamber reads 25 kPa at a location where the atmospheric pressure is 97 kPa. Determine the absolute pressure in the chamber.
What is the difference between gauge pressure and absolute pressure?
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