124k views
0 votes
If an object dropped from the height of 144 ft the function h(t)=-16t^2+144 gives the height of the object after t seconds. When will the object hit the ground?

User Mpora
by
8.2k points

1 Answer

2 votes
3 seconds
0= -16t^2+144
-144/-16=9
9=t^2
Sq rt of 9 is 3
User Ramon
by
8.2k points