The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t – 16t2. How long after launch d
oes the projectile return to the ground?
2 seconds
4 seconds
14 seconds
16 seconds
2 answers:
Answer:
2
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
when it returns to the ground , h = 0
32t -16t2 = 0 and solve for t
t = 0, 2 ....0 is the start, 2 is when it returns
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