Mathematics, 05.12.2020 01:00, oliup567

The height h, in feet, of a model rocket t seconds after launch is given by h=256t-16t^2. As the rocket descends, it deploys a recovery parachute when it reaches 200 ft above the ground. At what time does the parachute deploy?

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The height h, in feet, of a model rocket t seconds after launch is given by h=256t-16t^2. As the roc...