Water is slowly coming out from a vertical pipe. As the water descends after coming out, its area of cross section decreases. it implies that its speed increases. is it so because of acceleration due to gravity since the pipe is verically placed??

Asked by  | 16th Dec, 2012, 01:01: PM

Expert Answer:

yes it is due to that reason.
But anither very important factor is that the drom shapes itself in an aerodynamic way to reduce the air friction

Answered by  | 16th Dec, 2012, 09:32: PM

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