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8 votes
H(t)=−16t2+24t+40, how long does it take to fall to the ground?

User Drogba
by
7.4k points

1 Answer

6 votes

Answer:

2.5 seconds

Explanation:

h will be 0 when it hits the ground

0 = -16t^2 + 24t + 40

use Quadratic Formula to find t = 2.5 seconds

User Mike Hadlow
by
6.6k points
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