The following function takes t, number of seconds since a ball was tossed in the air, and gives H, the distance from the ball to the ground (in feet).   h(t) = -16t^2 + 90t +5    Determine the distance from the ball to the ground 1 second after it was tossed. Determine how long it takes for the ball to hit the ground (in other words, determine when the distance drops to 0 feet)

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