jensen2

=Toy Story <3 =  By: Buba, Nessey, and Kiekie

===Follow the directions on the Vertical Motion page, to complete each of the sections below. === **__The Word Problem__:** A peregrine falcon dives towards a pigeon on the ground. When the falcon is at a height of 100 feet, the pigeon sees the falcon, which is diving at 220 feet per second. Estimate to the nearest tenth of a second the time the pigeon has to escape. *We chose the vertical motion equation that is for an object thats being throw, because the falcon is diving so its launching downwards.

h=the height of an object at any given point in time. (falcon diving) h=0 =the initial height (in feet) from which the object was dropped or launched

t=time the object is in motion

v=the initial velocity (in ft/sec)on the object when it was launched

v = 0, the object was dropped from rest with no initial velocity v > 0, the object was propelled upward
 * If v < 0, the object was propelled downward

Standard form: Standard form: Because the "A" is negative the graph will be upside down. The "A" is also a big number so that tells us that the graph will look narrow. The "C" affects where the crosses the y axis. Our "C" is 100 so the y-intercept is at (0,100) No Answer
 * __The Parabola:__** Use what you know about parabolas to predict the shape of the graph. What will it look like, and how do you know?

1 Answer

2 Answers

So there will be 2 answers.

= Vertex
 * __The Math__:** Pretend you are the teacher, and this section is your lesson. Post the calculations required to graph the equation and find the solution, and show all the steps to doing so. Teach your audience all the important parts of the graph and explain what they mean for the problem you were given.

= Vertical Line 



OR

1. Our solution shows how long it took for the falcon to reach the pigeon who was on the ground.
 * __The Solution and The Meaning__:** What do the different parts of the graph mean? What does the solution mean? 

2. The vertex represents nothing because it's negative and time can't be negative because it's time that already passed.

3. The y-intercept represents the beginning height of the falcon.

4. One of the roots means nothing because it's negative and the root "B" means where it landed on the pigeon.

5. 0.44 seconds. We know this because it's our root "B" and that is the time it landed.


 * __Reflection__:** How did it feel to do the work and pretend to be the teacher? Do you think you understand the material more, now? Why or why not

Brandon: The hardest part for me was probably doing the graphs and writing out all the equations. I learned a lot on how to use the applications and learn more about wikispaces. I actually felt useful in the group because I helped type and do some of the math work. Our problem wasn't easy but my group helped solve it and made sense with the graph I made.

Kiewanna: What I found difficult was trying to find the right discriminant for the equation. Probably the thing I would change is to ration our time better so we can have time to check our answers and make our project the best it could be.

Veneese:I think the most hardest part was calculating the equations and trying to find the vertex and y-intercect because as you can theres alot of steps in finding the answer and one little mistake can mess up the whole thing and it can also change the graph. Also the answers are all in decimals so i had to round them.