Question: Physics shows that when an object is thrown upward with an initial velocity of v0, then its approximate height is given by this quadratic function.

Physics shows that when an object is thrown upward with an initial velocity of v0, then its approximate height is given by this quadratic function.

s=-4.9t^2+v0t+h

A ball is thrown upward from the top of a building 15 meters high, at a velocity of 3.1m/sec. Answer the following questions. Be sure to show and explain all work.

  1. Find the maximum height and the time in which it was attained (round to 3 decimal places)
  2. When does it reach the ground? (round to 3 decimal places)
  3. Sketch a graph to illustrate your answers.

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