Physics

Problem

A firefighter holds a hose at an angle of

45^{\circ}

to the horizontal. The water speed is

20\,\text{m/s}

. The water strikes a window located at a horizontal distance of

20\,\text{m}

. Calculate the height of the window above the nozzle level. (Take

g = 10\,\text{m/s}^{2}