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Writing 10 Online
OpenStudy (anonymous):

When a flare is fired upward at 58.8 m/s, its height , h meters , is given by the equation h=-4.9t^2 + 58.8t, where t = seconds since firing. a) determine the max height of the flare and the time it takes to reach this height. b)For how many seconds is the flare higher than 98m?

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