Question 225277
d=rt+16t^2
where
d is distance
r is initial velocity
t is time
.
Since it is initially held still, r = 0
d is given as 1296
and we solve for t
.
d=rt+16t^2
1296 = (0)t+16t^2
1296 = 16t^2
1296 = 16t^2
81 = t^2
9 seconds = t