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11. [-/1 Points] DETAILS Assume the acceleration of the object is a(t) = -9.8 meters per second per second. (Neglect air resistance. ) With what

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11. [-/1 Points] DETAILS Assume the acceleration of the object is a(t) = -9.8 meters per second per second. (Neglect air resistance. ) With what initial velocity must an object be launched upward (from a height of 2 meters) to reach a maximum height of 640 meters? m/sec Need Help ? Read It Master It

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