Question

The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t- 16t^2. How long after does the projectile return to the ground?

Answer 1

Answer: A) 2 seconds

Explanation:

Edg 2022 (Need points ¬_¬ )

Answer 2

hello :
the projectile return to the ground when : 32t- 16t² =0
16t (2-8t) = 0
16t = 0 or 2-8t = 0
t = 0 ( refused) or t = 1/4
after 1/4 s the projectile return to the ground