You are standing 18.0 meters away from a building, which is 15.0 meters tall and has a large, flat roof. You throw a baseball with an initial speed of 22.5 meters per second, at an angle of 55.0 degrees above the horizontal. When the baseball leaves your hand, it is 1.5 meters above the ground. The baseball lands on the roof of the building. What is the speed of the baseball just before landing on the roof, in units of meters per seconds?

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Projectile Motion