A cylindrical pipe of diameter 1.5m contains water to a depth of 0.9m.

a) find the cross sectional area of the water

b) if the water is flowing at a rate of 60 litres per second find the speed of the water in meters per second

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- Nov 21st 2006, 01:11 PMsi55lercross sectional area
A cylindrical pipe of diameter 1.5m contains water to a depth of 0.9m.

a) find the cross sectional area of the water

b) if the water is flowing at a rate of 60 litres per second find the speed of the water in meters per second - Nov 21st 2006, 02:10 PMJameson
A) Diameter = 1.5m, so Radius is 0.75m.

Cross-sectional area is a circle with radius 0.75m. So $\displaystyle A=\pi (0.75)^2 \approx 1.77m^2$

B)$\displaystyle \frac{60L}{s} \times \frac{.001 m^3}{1L}$ - Nov 21st 2006, 08:39 PMCaptainBlack