AP Physics 1
1.5 Vectors and Motion in Two Dimensions
1.2 Displacement, Velocity, and Acceleration
Person A throws a ball horizontally from a cliff \(20\,\text{m}\) tall at \(12\,\text{m/s}\). Person B starts running to the right on the ground at the instant the ball is thrown, runs at a constant speed, and catches the ball at the same height it would’ve landed after running \(15\,\text{m}\). How fast was Person B running?
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