1.

What is the rate of flow of water from a cylindrical valve if the cylindrical valve has a diameter of 10 cm and velocity of water is 10m/s?

A. 3.92 * 10<sup>-3</sup> m<sup>3</sup>/s
B. 3.92 * 10<sup>-2</sup> m<sup>3</sup>/s
C. 7.85 * 10<sup>-2</sup> m<sup>3</sup>/s
D. 7.85 * 10<sup>-3</sup> m<sup>3</sup>/s
Answer» D. 7.85 * 10<sup>-3</sup> m<sup>3</sup>/s


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