Ablowhard tests of lung capacity show that adults are able to exhale 1.5 liters of air through their mouths in as little as 1.0 second.1) if a person blows air at this rate through a drinking straw with a diameter of 0.74 cm , what is the speed of air in the straw? 2) if the air from the straw in part a is directed horizontally across the upper end of a second straw that is vertical, to what height does water rise in the vertical straw?
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Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
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Ablowhard tests of lung capacity show that adults are able to exhale 1.5 liters of air through their...
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