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Water flows over a flat plate \( 0.3 \mathrm{~m} \) long with a free stream velocity of \( 1 \mathrm{~m} / \mathrm{s} \). (i) Determine the ratio of the drag over the upstream half of the plate to that of the downstream half. (11 marks) (ii) Comments on the results obtained in part (ii) above. (2 marks)

Water physical properties at 20oC are as follows ?=1,000 kgm3and?=10?3 Pa?s Reynolds number over the entire flat plate is given by the following expre