calculus
posted by Anonymous .
With waht speed must a baseball be thrown upward from the ground in order to reach the top of the Washington Monment? (The top of the monument is 55o ft)

Well, we would have to ignore air resistance which would have a major effect here but (using english units because you used feet):
v = Vo  32 t
v = 0 at top
Vo = 32 t
h = 0 + Vo t  16 t^2
550 = 32 t^2  16 t^2 = 16 t^2
t^2 = 34.4
t = 5.86 seconds
Vo = 32 t = 187 feet/second