The barometric reading at a place is 73 5m Hg C... - WAEC Physics 2015 Question
The barometric reading at a place is 73.5m Hg. Calculate the pressure at a point 30m below the surface of water contained in a reservoir at the place. [g = ms-2, density = 1.2 x 104kg m-3, density of water = 1.0 x 103m-3]
A
4.0 x 105 Nm-2
B
3.0 x 10 5 Nm-2
C
2.0 x 105 Nm-2
D
1.0 x 105 Nm-2
correct option: b
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