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Mathematics, 28.05.2020 21:05 zenzen24

It a toy rocket is launched vertically
upward from ground level (this means
the initial height is 0) with an initial
velocity of 128 feet per second, then
its height h after t seconds is given by
the equation
hu) = -161t^2 - 1234 + 0
When did the rocket hit the ground?

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It a toy rocket is launched vertically
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