Mathematics, 28.11.2019 04:31 melaku234

Aprojectile was launched straight up from the ground with an initial velocity of 48 ft/s. the height of the projectile t seconds after launch is modeled by the function f(t)=−16t2+48t
how long was the projectile in the air before it hit the ground?

3 seconds

4 seconds

5 seconds

6 seconds

Answers: 3

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Aprojectile was launched straight up from the ground with an initial velocity of 48 ft/s. the height...