(Solved): 3. Water flows from a large orifice at the bottom of a tank as shown. Assume that the flow is irrot ...

3. Water flows from a large orifice at the bottom of a tank as shown. Assume that the flow is irrotational. Point \( \mathrm{B} \) is at zero elevation, and point \( \mathrm{A} \) is at \( 1 \mathrm{ft} \) elevation. If \( \mathrm{V} \) at point \( \mathrm{A} \) is \( 4 \mathrm{ft} / \mathrm{s} \) at an angle of 45 degrees with the horizontal an dif \( \mathrm{V} \) at point \( \mathrm{B} \) is \( 12 \mathrm{ft} / \mathrm{s} \) vertically downward, what is the value of Pressure at point \( \mathrm{A} \) minus the Pressure at point \( \mathrm{B} \) ? (Please remember, in irrotational flow, the Bernoulli equation is not limited to flow along streamlines, but can be applied between any two points in the flow field). \[ P=62.4 \frac{\mathrm{el}_{20}}{\mathrm{fC}^{3}} \]