You are standing on a cliff overlooking a lake and decide to throw a golf ball to your friends in the water below. You throw the golf ball with a velocity of 21.5 m/s at an angle of 38.5° above the horizontal. When the golf ball leaves your hand it is 18.5 m above the water. How far does the golf ball travel horizontally before it hits the water?

In your calculations, neglect any effects of air resistance.