Body dropped from X at t=0 s
Passes Y at t = T, therefore passes Z at t = T+2
Between Y and Z we have:
s=150 m, t=2.0 s, a=10 m/s2, u=?
s=ut+½at²
150=2u + ½x10x2²
u = 65 m/s =>> T = 6.5 s
Thus time to fall from X to Z will be 6.5 +2 = 8.5 s
Body dropped from X at t=0 s
Passes Y at t = T, therefore passes Z at t = T+2
Between Y and Z we have:
s=150 m, t=2.0 s, a=10 m/s2, u=?
s=ut+½at²
150=2u + ½x10x2²
u = 65 m/s =>> T = 6.5 s
Thus time to fall from X to Z will be 6.5 +2 = 8.5 s