kingex9 kingex9

21-03-2020
Mathematics

contestada

8. The height of a ball t seconds after
being dropped from a 256-foot high
bridge is modeled by the function
h(t) = -8(2t - 32). How long did it
take the ball to hit the ground?
A 8 sec
B 16 sec
C 32 sec

8 The height of a ball t seconds after being dropped from a 256foot high bridge is modeled by the function ht 82t 32 How long did it take the ball to hit the gr class=

Respuesta :

shejladautovic shejladautovic

21-03-2020

Answer:

B) 16

Step-by-step explanation:

We have h(t)=0, because the ball is on the ground.

So we have:

-8(2t-32)=0

2t-32=0

2t=32

t=16

It took 16 sec

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