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tensa zangetsu [6.8K]

2 years ago

11

cannonball is shot into the air. its height can be described by the equation h = -5t2 + 40t, where h is the height in feet and t

is the time is seconds. when will the cannonball hit the ground?

1 answer:

Norma-Jean [14]2 years ago

7 0

Answer:

Step-by-step explanation:

hello :

the cannonball hit the ground when h=0

-5t² + 40t=0 means : -5t(t- 8)=0

t=8

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