A soccer ball kicked at the goal travels in a path given by the parametric equations: x=50t; #y=-16t^2+32t#, Suppose the ball enters the goal at a height of 5ft. How far away from the goal was the kicker?
The kicker was
Let us find time
By Quadratic Formula,
If the ball enters the goal on the way up, then the kicker was
If the ball enters the goal on the way down, then the kicker was
I hope that this was clear.