152k views
2 votes
Suppose flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h = -16t4 + 160t

120 models the h height at t seconds of the flare. How long it will it take for the flare to hit the ground? (to the nearest tenth of a second)

1 Answer

4 votes
10.7 sec is the answer I’m pretty sure
User Simon Martinelli
by
7.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.