(Solved): need help with this physics question. ASAP A girl standing at the roof of a 15 m tall building throw ...

A girl standing at the roof of a 15 m tall building throws a ball with initial speed of 10 m/s, 60° above the horizontal line. At that moment her dog is on the ground, at the distance, D, from the building, and starts running toward the building with constant speed of 5 m/s. See the picture below. The dog successfully catches the ball just before the ball was about to hit the ground. (a) How far from the building was the dog before it started running? ? (b) What is the final speed of the ball just before the dog catches it? v. Use g = 10 m/s² do hg=10m/2 U. = 10 m/s h=15m J? = 5 m/s D=? Js Dog ???