Water flow through the horizontal channel is defined by the stream function

$=7(x^2-y^2)\frac{m^2}{s}.$ Suppose that ${}_A=1\mathrm{.}75\frac{m^2}{s}.$

${}_w=1000k\frac{g}{m^3}.$

$($Figure $1)$

Figure

If the pressure at $B$ is atmospheric, determine the pressure at point $A(0\mathrm{.}5m,0).$

Express your answer to three significant figures and include the appropriate units.

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$p_A=$

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Part B

Determine the flow per unit depth in $\frac{m^2}{s}$ through the channel.

Express your answer using three significant figures.

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