Physicshard · Past Paper
Atmospheric pressure is 760 mm of Hg. What is this in Pascals? (Density of Hg = 13600 kg/m³, g = 9.8)
A101292 Pa
B101325 Pa
C100000 Pa
D76000 Pa
✓ Correct Answer: A — 101292 Pa
P = hdg = 0.76 * 13600 * 9.8 = 101292.8 Pa.
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