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spin [16.1K]
3 years ago
14

The height in feet of the projectile seconds after lunch is modeled by the equation h=32t - 16t2 how long after launch does the

projectile return to the ground
Mathematics
1 answer:
Gekata [30.6K]3 years ago
6 0
When h=0 is when it returns to the ground
solve

0=32t-16t^2
factor
0=16t(2-t)
set equal to zero

0=16t
0=t

0=2-t
t=2

at t=0 and 2
it returns after 2 seconds
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