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2. Manning's equation is given below for English units. Q is discharge in ft/s, n is dimensionless, A is the channel cross-sectional area in

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2. Manning's equation is given below for English units. Q is discharge in ft/s, n is dimensionless, A is the channel cross-sectional area in square ft, P is the wetted perimeter in feet, and S is the channel slope which is dimensionless. a. What are the units of 1.486? b. For the metric version of Manning's equation what does the constant 1.486 become? Q= 1.486 A5/3 p p2/3 n -S1/2

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