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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
28 Oct 2021

Given information

To find:- Where is the velocity the greatest ? Where is the velocity changing most? 

Step-by-step explanation

Step 1.

The velocity is greatest where its derivative is equal to zero, the centre line . The velocity is changing most where its gradient is maximized, which is when is greatest. Therefore, it is at the side wall .

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