live7978 live7978

23-04-2020
Mathematics

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A quarter is dropped from a building and modeled by the equation h=-16t^2+1250. How long does it take to strike a 6 foot tall person?

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salatulmaghrib salatulmaghrib

23-04-2020

You need to find what is t when h = 6.

Try.
6 = -16t^2 + 1250
1244 = 16t^2
77.75 = t^2
t = 8.818

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