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notka56 [123]
3 years ago
10

The local atmospheric pressure is measured with a water barometer. If the water column is measured to be 30 ft, what is the atmo

spheric pressure in atm?
Engineering
1 answer:
ella [17]3 years ago
8 0

Answer:

The atmospheric pressure in atm=0.885 atm

Explanation:

Given that

Local pressure (h)= 30 ft of water height     ( 1 ft= 0.3048 m)

We know that pressure in given by

  P=ρgh

We know that ρ of water is 1000\dfrac{kg}{m^3}

So pressure

P=1000(9.81)(9.144)

P=89.7026 \dfrac{N}{m^2}

We know that 1000 Pa=0.00986 atm

So P=0.885 atm

The atmospheric pressure in atm=0.885 atm

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