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An object is dropped off a building that is 144 feet tall. After how many seconds does the object hit the ground? (s = 16t^2)

An object is dropped off a building that is 144 feet tall. After how many seconds does the object hit the ground? (s = 16t^2)
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1 vote
An object is dropped off a building that is 144 feet tall. After how many seconds does the object hit the ground? (s = 16t^2)

asked
User Awefsome
by
7.8k points

1 Answer

4 votes
16t^2 = 144
Simplify, divide both sides by 16
t^2 = 9
t = 3 seconds
answered
User Magic Mick
by
8.6k points
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