The pressure of water inside the closed pipe is 3 x105 N/m2. This pressure reduces to 2 x105 N/m2 on opening the value of the pipe. Calculate the speed of water flowing through the pipe. (Density of water = 1000 kg/m3)
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Correct answer = 14.14 m/s
Given:: p1 = 3 × 105 Pa, v1 = 0, p2 = 2 × 105 Pa,
ρ = 103 kg/m3
Assuming the potential head to be zero, i.e., the pipe to be horizontal, the Bernoulli equation is
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