How far from the building should they position their cannon? There are two possibilities (d_1 < d_2); can you get them both? ( Start with a sketch showing the trajectory of the water.) A firefighting crew uses a water cannon that shoots water at 27.0 m/s at a fixed angle of 45.0 degree above the horizontal. The firefighters want to direct the water at a blaze that is 11.0 m above ground level.