Question: A boy 12.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts

A boy 12.0 m 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 horizontally at 8.50 m/s,

(a) How fast must the dog run to catch the ball just as it reaches the ground, and

(b) How far from the tree will the dog catch the ball?

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