Question 51276
s = -16t2 + v0t + s0 
s(t)=-16t^2+32t+0
Maximum at x=-b/2a
-b/2a=-32/(-32)= 1,
f(1)=-16(1)^2+32(1)=16

 Maximum height is 16 ft at time = 1 second.
Cheers,
Stan H.