\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
An object is launched from the ground. Its height, \(h\) in meters, after \(t\) seconds is given by the function \(h(t) = -4.9t^2 + 39.2t\).
  1. Show that the object hits the ground after 8 seconds.
  2. Find the maximum height reached by the object.

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