Example 3:
In above, the height of a mercury barometer is h when the atmospheric pressure is 101 000 Pa.
What is the pressure at X?
Answer:
Atmospheric Pressure,
Patm = h cmHg = 101 000 Pa
Pressure at X,
PX = (h - ¼h) = ¾h cmHg
PX = ¾ x 101 000 = 75 750 Pa
In above, the height of a mercury barometer is h when the atmospheric pressure is 101 000 Pa.
What is the pressure at X?
Answer:
Atmospheric Pressure,
Patm = h cmHg = 101 000 Pa
Pressure at X,
PX = (h - ¼h) = ¾h cmHg
PX = ¾ x 101 000 = 75 750 Pa
