In the given figure pressure p, in kPa, is
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In the given figure pressure p, in kPa, is
A. 37
B. 48.0
C. 45.2
D. 51.3
Please scroll down to see the correct answer and solution guide.
Right Answer is: A
SOLUTION
Concept:
Applying pressure equation
P + (ρwgh) - (ρmgh) = 0
Calculation:
Given:
ρw = 1000 kg/m3, ρm = 13.6 × 103 kg/m3, h = 30 cm = 0.3 m
⇒ P + 0.30 × 9810 – 0.30 × 13.6 × 9810 = 0
⇒ P = 3.78 m of water
P= 3.78 × 10 × 1000 = 37.8 kPa