The pressure of water inside the closed pipe is 3 x 10^5 n/m^2 this pressure reduces to 2 x 10^5 n/m^2 on opening the value of the pipe . calculate the speed of water flow through the pipe
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Explanation: finally,
P = 1/2 x d x v² (formula to remember)
2 x 10^5 = 1/2 x 10^3 x v²
then v = 20 m/s
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