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Mathematics, 29.08.2019 18:00 moomoo2233

Aprojectile is fired straight up from ground level with an initial velocity of 112 ft/s it's height h above the ground after t seconds is given by h = -16t^2 + 112t what is the interval of time during which the projectile height exceeds 192ft

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Aprojectile is fired straight up from ground level with an initial velocity of 112 ft/s it's height...
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