A ball thrown horizontally at 12.4m/s from the roof of a building lands 20.2m from the base of the building. How tall is the building?
I think I'm supposed to use these:
horizontal motion: x=x0+vx0t
vertical motion: y=y0=+vy0(t)-.5at^2
The Attempt at a Solution
So this is what I think goes where:
I plugged them in but I'm not sure if they're even in the right spot. After I plug them in I have no idea where to go from there. Please help.