A boy 11.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the i
nstant the ball is thrown. If the boy throws the ball upward at 50.0 ∘ above the horizontal, at 8.00 m/s . How fast must the dog run to catch the ball just as it reaches the ground? How far from the tree will the dog catch the ball?
It's helps Emily became when she swims her hair is not in the way creating friction and making her swim faster. friction acts between two metals blocks that slide past each other.