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Will mark brainliest if answered correctly!

The building we are going to be using is going to be 50 feet tall. This will be your ℎ0 in any question that it says you are launching or dropping something from the top of the building.
While setting up a fireworks display, you have to drop your cell phone down to your co-worker who is on the ground. How long will it take the phone to fall to the ground?

Equation: ℎ(t) = −162 + ℎ0

Will mark brainliest if answered correctlyThe building we are going to be using is going to be 50 feet tall This will be your ℎ0 in any question that it says yo class=

Respuesta :

sqdancefan

Answer:

about 1.768 seconds

Explanation:

Since the phone is dropped, the first equation applies. The final height is assumed to be zero, so we have ...

... h(t) = 0 = -16t² +50

... 16t² = 50 . . . . . . . . add 16t²

... t² = 50/16 . . . . . . . . divide by 16

... t = √3.125 . . . . . . . take the square root

... t ≈ 1.768 . . . . . . . . round to milliseconds

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