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A boy 11.0m above the ground in a tree throws a ball for his dog, who...

A boy 11.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball upward at 50.0degrees above the horizontal, at 9.00m/s .

A)How fast must the dog run to catch the ball just as it reaches the ground?

B)How far from the tree will the dog catch the ball?

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