One of the contests at the school carnival is to throw a spear at an underwater target lying flat on the bottom of a pool. the water is 1.20 m deep. you're standing on a small stool that places your eyes 3.20 m above the bottom of the pool. as you look at the target, your gaze is 30∘ below horizontal. at what angle below horizontal should you throw the spear in order to hit the target?