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Eyjafjnallajokull is a volcano in Iceland
During a recent eruption, the volcano spewed out copious amounts of ash.
One small piece of ash was ejected from the volcano with an initial velocity of 336ft/sec.
The Heigh H, in feet, of the ash projectile is given by the equation: H=-16t^2 +336t where y is the time in seconds
The graph of this equation will be parabola
We will assume that the volcano has no height H=0 at t=0
1) When dose the ash projectile reach its maximum height?
2) What is its maximum height?
3) When dose the ash projectile return to the ground?