The figure below shows parts A and B of a glass tube.

      

The figure below shows parts A and B of a glass tube.
pic26920191341.png
(i) State the part of the tube in which the pressure will be lowest when air is blown through the tube to from A to B
(ii) Compare the velocity of air at A and at B
(iii) What is the relationship between the velocity of the air and its pressure at any point along the tube AB

  

Answers


sharon
i).A
ii) Velocity of air at B is higher.
iii).velocity is inversely proportional to pressure /increase in velocity , lower pressure.
sharon kalunda answered the question on September 26, 2019 at 10:45


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