Question

.

Answer 1

@Kainui

Answer 2

@aum

Answer 3

I have done some work on this problem , and i need to where i went incorrect , or is it correct

Answer 4

y = -1/2*gt^2 + vi*t + y0

Answer 5

y = -1/2*9.8*t^2 + u*t + h, where h = height of tower

Answer 6

dy/dt = -g*t + u , so solve -g*t + u = 3u , that will give you the time

Answer 7

Looks good so far