169k views
5 votes
S(t)=16t^2+32t, how long will it take the ball to fall 79 feet?

User HuBeZa
by
7.9k points

1 Answer

4 votes
Mudando o sinal:
-16t² - 32t = 0
-16t*(t-2) = 0
16t = 0 --> t = 0
t-2 = 0 --> t = 2
User Adrian Brand
by
7.4k points