The Tank Shown Is Full of Water $62.5 \mathrm { lb } / \mathrm { ft }$

Short Answer

The tank shown is full of water. Given that water weighs $62.5 \mathrm { lb } / \mathrm { ft }$ and $\mathrm { R } = 5$ , find the work (in $\mathrm { lb }$ -ft) required to pump the water out of the tank.