You drop a snowball from the top of a building, 111 feet above the ground.
The expression to represent the height of the snowball is −16t2+111
-
16
t
2
+
111
,
where t is the number of seconds after the snowball is dropped.
The equation 0=−16t2+111
0
=
-
16
t
2
+
111
represents when the snowball hit the ground.
Find the value of t, rounded to the nearest tenth.
[how many seconds it took for the snowball to hit the ground].
