What pressure, in atmospheres, is exerted on the body of a diver if she is 39 ft below the surface of the water when atmospheric pressure at the surface is 720 mmHg ? Assume that the density of the water is 1.00g/cm3=1.00×103kg/m3. The gravitational constant is 9.81m/s2, and 1Pa=1kg/m−s2.

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Asked Nov 21, 2019
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What pressure, in atmospheres, is exerted on the body of a diver if she is 39 ft below the surface of the water when atmospheric pressure at the surface is 720 mmHg ? Assume that the density of the water is 1.00g/cm3=1.00×103kg/m3. The gravitational constant is 9.81m/s2, and 1Pa=1kg/m−s2.

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Expert Answer

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Pressure exerted by water is ...

h 39 ft 11.887 m
p pgh
(1.00 10 kg/m)(9.81m/s')(11.887 m)
116611 kg/m.s2
116611 Pa
atm 1.01325 x10°Pa
1.15 atm
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h 39 ft 11.887 m p pgh (1.00 10 kg/m)(9.81m/s')(11.887 m) 116611 kg/m.s2 116611 Pa atm 1.01325 x10°Pa 1.15 atm

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