Angry Birds Physics

Kyle Brooks 11/13/12 Angry Birds Projectile Motion Lab How to Perfect Distances Of Birds using Launching Angles Purpose: The Purpose of this Lab is to discover which launch angles give the birds the longest and shortest time in flight. Hypothesis: I believe that the bird will launch the farthest at the 45 degree angle because that’s exactly half of 90 degrees which will give it the maximum height in comparison to length. I also think that the bird will launch the shortest at 0 degrees because it will go a very short distance because it has such a steep launch angle.

Apparatus: Materials: •Angry Birds application •Protractor to measure angles •Level with no obstructions in the birds path (level 1) •Red angry birds Procedure: 1. )Gather birds, launcher, other materials, and open up angry birds application. 2. )Launch birds at 0, 45, and 90 degrees (or your choice of angles to test) and record data. (Make sure the level is one that doesn’t obstruct the path of the birds and contains only red angry birds.

Like level 1. ) 3. )Repeat step 2 3 times and record distances for each angle. . )Look at the qualitative data and come to a conclusion of which angle gives the bird that farthest distance and which the least. (Record distances. ) Variables: Controlled: Power birds are launched at (maximum), type of angry birds (red birds), level where test were done (level 1) Independent: Angle the angry birds are launched at Responding: Birds travel a certain distance based off the angle they are launched at.

Essays Lab

Data: Distance Traveled by Bird (Qualitative) Angle of Launch Trial0 degrees45 degrees90 degrees Slightly ForwardOut of the screenNearly to the Structure 2 Slightly ForwardOut of the screen2/3 to the Structure 3Slightly BackwardsOut of the screen? to the Structure 4No MovementOut of the screen2/3 to the Structure 5Slightly BackwardsOut of the screen? to the Structure Data Analysis: According to the previous data, the birds launched at 45 degrees went the farthest each time; they went out of the screen on all 5 trials.

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Birds launched at 0 degrees, on the other hand, barely moved at all and went the shortest distance. Picture of Data: x x xx y y yy y zzzz Key x=0 degrees y=90 degrees z=45 degrees =launch point for birds =the structure birds are aiming for Conclusion: The Question in this lab was which angle would result in the birds going the farthest and shortest distances? I hypothesized that the birds launched at 45 degrees at maximum power would go the farthest because this has the highest height to length ratio. After testing, 45 degrees turned out to help the birds travel the farthest while the birds traveled the shortest distance at 0 degrees.

This proves that my hypothesis was correct and 45 degree angle does allow the angry bird to go the farthest distance. Since we had to use a protractor, the design of the experiment doesn’t do a great job of finding the best angle for launch because the level doesn’t tell you what exactly 45 degrees is or what exactly 30 degrees is. This means each test had close to the desired angle, but never the exact. The data has to be measured qualitatively because the application doesn’t give distances or angles.

However, we still know that birds travel the farthest at 45 degrees because that is the optimal angle to launch at. Ways to improve this experiment include using an application that gives distances and exact angles to make the data more accurate and the chance to measure quanitativly, applying this experiment in real life to see how accurate the previous data is, and trying more angles to see what other angles work and don’t work for traveling far. To apply this to real life, a real slingshot would have to be made that could be shot at accurate angles and then measure the distance of the projectiles.