Posted by **Dimpleface** on Wednesday, June 16, 2010 at 3:26pm.

When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where âvâ is the initial velocity (speed) in meters/sec and âkâ is the initial height in meters (as if you were on top of a tower or building).

Make up a scenario where a ball is thrown, shot, etc. into the air. You can choose any initial velocity (in meters/sec) and any initial height (in meters) of the ball, but include them in your written scenario. The ball can leave your hand, the top of a building, etc. so you can use many different values for the initial height.

- College algebra -
**veronica**, Friday, February 18, 2011 at 4:19pm
S=-16t^2+v*t+k

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