Longest straw

Classical Mechanics Level 2

I drink from a glass of water with a vertical straw. What's the longest straw I can use and still drink water if the ambient pressure is 1 atm1~\mbox{atm}? Give your answer in meters.


Details and Assumptions:

  • 1 atm=101,325 Pa1~\mbox{atm}=101,325~\mbox{Pa}.
  • The acceleration of gravity is −9.8 m/s2-9.8~\mbox{m/s}^2.
  • The density of water is 1 g/cm31~\mbox{g/cm}^3.
David Mattingly by David Mattingly
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