The highest that George can suck water up a very long straw is 2.0 m . (This is a typical value.) Part APart complete What is the lowest pressure that he can maintain in his mouth

81,725 N/m^2

Explanation:

Given the following :

Height of water = 2m

Density of water = 1000kg/m^3

Atmospheric pressure (Pat) = 101325 N/m^2

Lowest pressure (Pl) can be obtained thus ;

Pat - Pl = density × height × acceleration due to gravity

101325 - Pl = 1000 × 2 × 9.8

101325 - Pl = 19600

101325 - 19600 = Pl

Lowest pressure (Pl) = 81,725 N/m^2

81,725 N/m^2 = (81,725/101325) atm

= 0.8065630 = 0.8065 atm

a

explanation:

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