Question on: JAMB Physics - 1998
The atmospheric pressure due to water is 1.3 x 106Nm-2. What is the total pressure at the bottom of an ocean 10m deep? [Density of water = 1000kgm-3, g = 10ms-2]
A
1.3 x 107Nm-2
B
1.4 x 106Nm-2
C
1.4 x 105Nm-2
D
1.0 x 10 5Nm-2
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Correct Option: B
Pressure = heg = 1000 x 10 x 10 = 105Nm-2
Total pressure = (1.3 x 106) + (1 x 105)
= 1.4 x 106Nm-2
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