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Figure 5 shows air flowing through a pipe of different cross-sectional areas. Two pipes A and B are dipped into water.

      

Figure 5 shows air flowing through a pipe of different cross-sectional areas. Two pipes A and B are dipped into water.
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Explain the cause of the difference in the levels of water in the pipes A and B.

  

Answers


John
The pressure above tube B is low than that above tube B. This is caused by high velocity of air above B compared to velocity above tube A.
johnmulu answered the question on May 15, 2017 at 11:15


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