The angle 
is in Quadrant 1 and cos of an angle in quadrant 1 is always positive
40:14
1 answer:
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By using the motion equations, we conclude that she will make the goal.
<h3>Will she make the goal?</h3>
First, we know that the goal is 20ft away, and the position in x is given by:
Let's find the time in which the ball will travel these 20 ft.
So the horizontal distance is covered in 1.35 seconds, now let's see which is the height of the ball at that time.
The height equation is:
Evaluating in t = 1.35 we get:
And the goal is 5ft tall, so we can conclude that she will make the goal.
If you want to learn more about motion equations:
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