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Mathematics, 16.09.2019 00:20 dcarranza626

Atoy rocket is launched from a 5.6 m high platform in such a way that its height, h (in meters), after t seconds is given by the equation h=-4.9t^2+38.5t+5.6. how long will it take for the rocket to hit the ground?

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Atoy rocket is launched from a 5.6 m high platform in such a way that its height, h (in meters), aft...
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