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The reading on a mercury barometer at a place is 690mm. The barometer contains some air which exerts a pressure of 15Nm¯². What is the...

      

The reading on a mercury barometer at a place is 690mm. The barometer contains some air which exerts a pressure of 15Nm¯². What is the pressure at the place Nm¯². (Density of mercury is 1.36 x 104kgm¯³).

  

Answers


sharon
P = Phg
13600 x 0.690 x 10
= 93840
Atmospheric pressure = 93840 + 15 = 93855 Nm¯²
sharon kalunda answered the question on September 10, 2019 at 09:36


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