Water Is Flowing in a Drainage Channel of Rectangular Cross-Section

question 1

Multiple Choice

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

• 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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