Neco 2019 Geography Question 45
Practice objective / multiple choice question 45 from the 2019 Neco Geography examination.
A catchment area of \(50\,\text{km}^{2}\) receives a uniform rainfall of \(80\,\text{mm}\) over a period of 24 hours. If 50% of the rainfall becomes runoff and the runoff is collected uniformly over the 24‑hour period, what is the average flow velocity in a rectangular river channel that is \(3\,\text{m}\) wide and \(2\,\text{m}\) deep? Give your answer in metres per second, correct to two decimal places.
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About This Question
This is Neco 2019 Geography Question 45. It is one of the objective questions from the 2019 Neco Geography examination.
Difficulty level: Medium .
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