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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 300 times)

nenivikky

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on: Jul 29, 2018
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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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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nenivikky

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Reply 2 on: Jul 29, 2018
Gracias!

Joy Chen

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

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