lizdeleon248

23.07.2019 • 

Mathematics

Sharon kicks a ball from the ground into the air with an upward velocity of 64 feet per second. the function h = -16t2 + 64t models the height h, in feet, of the ball at time t, in seconds. when will the ball reach the ground again? 1 second after the ball is thrown 2 seconds after the ball is thrown 3 seconds after the ball is thrown 4 seconds after the ball is thrown

Ответ:

sanaia561

28.05.2020

Mathematics

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To find when the ball reaches the ground, you would need to find the time that gives you a height value of zero. 

Your answer would be 4 seconds

h = -16(4)^2 + 64(16)
h = -16(16) + 256
h = -256 + 256
h = 0

Hope this helps!

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Ответ:

littlemrslazy

28.05.2020

Mathematics

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4 seconds

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Ответ:

ChanceJ

01.04.2022

Mathematics

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    asymmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity ideally follows a curve of this shape.

Origin

Step-by-step explanation:

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