Question

Velocity question ht=2+31t-16tsquared​

Answer 1

Explanation:

If I am not mistaken the equation is
`S(t) = 2 + 31t - 16t^(2)`

Then in that case V(t) = S'(t) = 31 - 32t

V(t)=0 gives the time when the stone hits the ground.

31 - 32t = 0

32t = 31

t = 31/32 = 0.96875s