If the column of mercury in a barometer stands at 73.6 cm, what is the atmospher

Physics
Tutor: None Selected Time limit: 1 Day

If the column of mercury in a barometer stands at 73.6 cm, what is the atmospheric pressure? (The density of mercury is 13.6 × 103 kg/m3 and g = 9.80 m/s2)

a.
b.
c.
d.
e.
Jun 28th, 2015

Thank you for the opportunity to help you with your question!

We know,

Pressure = density X g X height

so, P = (13.6X10^2) * (9.80) * (73.6/100)   ...............height is divided by 100 to convert it into meters from cm

P = 98.094 x 10^3

Answer is option d.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 28th, 2015

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