Water flows at a speed of 1.7 ms throughout a horizontal, Ask an Expert

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Q. Water flows at a speed of 1.7 m/s throughout a horizontal pipe having a circular cross section 5 cm in diameter. The pipe widens to a diameter of 14 cm. Treat the water as an idea fluid.

(i) What is the speed with which the water flows through the wider section of pipe?

(ii) What is the difference in pressure between a point within the fluid in the narrower section and a point within the fluid in wider section?

(iii) In which section of the pipe is pressure higher?

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