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Author Question: Water is flowing in a drainage channel of rectangular cross-section. The width of the channel is 15 ... (Read 287 times)

nenivikky

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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

Question 2

Ideal incompressible water is flowing in a drainage channel of rectangular cross-section. At one point, the width of the channel is 12 m, the depth of water is 6.0 m, and the speed of the flow is 2.5 m/s.
 
  At a point downstream, the width has narrowed to 9.0 m, and the depth of water is 8.0 m. What is the speed of the flow at the second point? A) 2.0 m/s
  B) 2.5 m/s
  C) 3.0 m/s
  D) 3.5 m/s
  E) 4.0 m/s


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nhea

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nenivikky

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Reply 2 on: Jul 29, 2018
Excellent


juliaf

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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