Water, of Density 1000 Kg/m³, Is Flowing in a Drainage

question 3

Multiple Choice

Water, of density 1000 kg/m³, is flowing in a drainage channel of rectangular cross-section. The width of the channel is 15 m, the depth of the water is 8.0 m and the speed of the flow is 2.5 m/s. At what rate is water flowing in this channel?

• A) 2.0 × 10⁵ kg/s
• B) 2.0 × 10³ kg/s
• C) 3.0 × 10⁵ kg/s
• D) 3.0 × 10³ kg/s
• E) 3.0 × 10² kg/s

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