Find the speed of flow in the first tube
Water flows through a horizontal tube of diameter 3.0 m that is joined to a second horizontal tube of diameter 2.2 . The pressure difference between the tubes is 8.0 kpa . Find the speed of flow in the first tube.
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Find the wavelength of the ultrasonic wave emitted by a bat if it has a frequency of 4.0x 10^4 Hz.
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What are some political/societal issues surrounding drilling for oil in the Gulf of Mexico or other places off the coasts of the US? Please provide any references used.
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