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Balloon Car Presentation

Transcript: Bessy- My Balloon Car Speed per Meter Graph! Acceleration Graph! Distance- The length of a path between two points. Our goal for the balloon car lab/race was to get our car to go five meters. My car only went four meters. Speed- The ratio of the distance an object travels to the amount of time the object moves. Formula: distance/time=v (speed) We had to find the speed of our cars. To be more exact, we found the instantaneous speed. Instantaneous speed- The speed is measured at a particular instant. For example, every time our balloon car crossed one of the meter marks the person timing the car stopped their timer. We then used that time and the distance to find the instantaneous speed. Average speed- Average speed is computed for the entire duration of a trip. Formula: avg. distance/avg. time Not only did we have to find the speed per meter for each trial, but we also had to find the average speed for each trial. Acceleration and Instantaneous Acceleration: Acceleration- the rate at which velocity changes. Instantaneous Acceleration- how fast a velocity is changing at a specfic time. We had to find the acceleration of our car per meter. In order to find the acceleration we already had to know the speed because the formula for acceleration is change in velocity divided by total time (vf-vi/t). I had positive acceleration, but I also had negative acceleration. Displacement- the direction from the starting point and the length of a straight line from the starting point to the ending point. When a ball bounces off a wall and comes back some you can find displacment. Sure, it may have went a total of 10 feet but now it's only 5 feet away from where it started. Vector additon- combining of vector magnitudes and direction. Resultant vector- the vector sum of two or more vectors. Frame of Reference- a system of objects that are not moving with respect to one another. Example: The people sitting at the different meters timing the cars could be considered the frame of reference. Linear Graph- display data from straight-line parts. Vector- a quantity that has magnitude and direction. Constant Acceleration- a steady change in velocity; the velocity of the object changes by the same amount. Example: This didn't relate to any of our balloon cars; I know it didn't relate to mine. Velocity- speed and direction in which an object is moving. Example: You could have found the velocity for our balloon cars; they went in one direction for the most part and we already had found the speed. Nonlinear graph- curve connects the plotted points (data). Relative Motion- movement in relation to a frame of reference. Example: The cars being pushed by the balloon.

Balloon Rocket presentation

Transcript: Final Exam 12,16-17,2019 Keona Walker , Mr. Marriweather Overview part 1 and 2 Balloon Rocket. Balloon Rocket Outcome. Vocabulary. Catapult Launchers. Catapult Launcher Outcome. Overview Part 1 Part 2 Vocabulary. Straw Rockets. Straw Rocket Outcome. Vocabulary. Lego Robot 2 slides. Overview Part 2 Balloon Rocket Building A Balloon Rocket Content Building a Balloon Rocket Content 1 Content 2 Content 3 Content 4 First Step: Tie a Balloon to a String. Second Step: Blow up the balloon and put tape on it. Third Step: Put another piece of string taped to the balloon. Fourth Step: Experiment. Balloon Rocket Outcome Balloon Rocket Outcome 1st Attempt: Rocket was not successful. Publication 1 2nd Attempt: Rocket was nearly successful. 3rd Attempt: Fully successful and launched. Publication 3 Publication 2 Catapult Catapult Launcher 1 2 3 4 5 I gather all of my items. I figure out what needs to go where. I start placing things together. I start testing the catapult out to see if it works. I start experimenting with the catapult. Catapults launch Outcome Catapults Launch Outcome The first time the launch did not work. Publication 1 The second time it did not work thoroughly. The last time it did work as well as it did launching. Publication 3 Publication 2 Straw Rocket Straw Rocket 1 2 3 4 I had to gather all of my items. Next I had to cut out all of my paper pieces. Then I had to tape all of my lose papers to the straw. After that I had to mold the clay on top of the straw. 5 Lastly I had to experiment my straw rocket. Straw Rocket Outcome Straw Rocket First the straw rocket did not work at all. Publication 1 The second time the straw rocket did not work at all. Then finally it traveled a little far but not so far. Publication 3 Publication 2 Steps for robot Steps for Robot 1 2 3 4 My group and I had to find the right robot. Then I had to start building the robot myself. Next I had to continue the robot by myself. Lastly I wasn't able to finish my robot because i was doing it all by myself. Steps for Programing Robot Steps for Programing Robot Was not able to do the programing because of no partnership with my partners.

Background Presentation

Transcript: 14th Week Consulting interns can be expensive Time and Money Personal Experience Preliminary Design Stage NFPA 101 and NFPA 13 New and Existing Education, Business, and Mercantile Definition of Project This app would be used to provide interns and recent graduates with an outline of guidelines for how to design and review designs of specific occupancies. With the given time frame, I will be writing the information that will go into the app Begin parametric study: Speak with my mentor and Jason to understand more about what critical variables I could concentrate on for this app. Choose those parameters and begin my study Gather information from NFPA 101 and NFPA 13 for new and existing education, business, and mercantile occupancies. By: Breanne Thompson Next Steps (Continued) Finish preparing for Draft of Analysis Pull together and discuss results of project Draw my conclusions and state future work needed Turn in Final Paper! 10th and 11th Week Turn in my parametric study Begin draft of analysis Map out the process of the app for the key elements 15th Week References Next Steps 7th Week Prepare for Final Presentation Summarize my draft of analysis into presentation Work on how to incorporate a live demonstration for my presentation App Development Background Information 8th-9th Week Continuous Process Objective-C for Apple products Java for Android products 6 months of studying Places to Learn: Codecademy, iOS Dev Center, Android Developers Training Hire App Developer will cost thousands Prepare Final Paper Dive into Shark Tank! 1. 2. 6th Week Background Presentation 12th-13th Week

Background Presentation

Transcript: Real action and accountability Amnesty International Non-state actors/ Rebel Groups?? ...and what about men?? ignoring male rape victims? would rape exist without a man? Weapons of War: Rape UN as an Arena - NGO's - Discussion and dialogue Arena Instrument Actor Critical Thinking Weapons of War: Rape UN as an instrument UNSC Resolution 1820 (2008) UN as an Actor - UN Action Against Sexual Violence in Conflict Weapons of War: Rape Problems with 1820 "Roles and Functions of International Organizations" "Sexual violence, when used as a tactic of war in order to deliberately target civilians or as a part of a widespread or systematic attack against civilian populations, can significantly exacerbate situations of armed conflict and may impede the restoration of international peace and security… effective steps to prevent and respond to such acts of sexual violence can significantly contribute to the maintenance of international peace and security" (UNSC Resolution 1820, p. 2)" Background Presentation- Kristin Mann Weapons of War: Rape Brief Insight - used to manipulate social control - destabilize communities - weaken ethnic groups and identities Examples: - Sudanese Militia - Rwanda Genocide - DRC Critical Thinking Critical Thinking Increased Data Collection by international organizations - determine humanitarian responses - ensures justice and reparation - provides recognition and dignity

Balloon Car Presentation

Transcript: We are disappointed with our car's performance. We thought that if we made some minor changes it would move better, but it did not. Overall, the car went 173 centimeters after the fourth try. We made some changes to the car, but unfortunately, since it was after so many attempts, e ended up with a final score of 61. Top View If the car had accelerated forward, it would eventually slow down to a stop due to the forces acting on it. The outside force acting on it is equal to the force pushing from the ground and in front of it. this causes it to decelerate to a stop. "An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. " Balloon Car Newton's Second Law Caroline Lussier & Sabrina Siciliano The balloon car was supposed to exhibit the law of inertia because it was supposed to be an object in motion. It's contact with the ground was supposed to create friction which would have been the greatest outside force on the car. Other forces on the car were air resistance and gravity. Initially, the balloon was giving the car power but the axles and wheels failed to move with the energy of the balloon. Balloon Car Presentation The balloon was supposed to demonstrates this by applying force to the car to move it forward. By doing this, the force was supposed to increase, making the car accelerate. In our case, this did not happen. Side View Front View "For every action there is an equal and opposite re-action." Overall Performance Back View Design Problems Our group was unfortunately faced with many design issues. One of these issues was that it didn't really move at all. The wheels specifically did not function as they were supposed to. Instead of the car moving when we blew air into the balloon, it would either skid or it would just not move at all. I believe that if the wheels had been functioning then there wouldn't have been nearly as many problems with it. The problem with the axles is that it when the coffee stirrer inside the straw would go to turn, the coffee stirrer would get stuck inside of the straw and refused to rotate. This is mostly due to the fact that the coffee stirrer wasn't completely round, it was more of the shape of a Popsicle stick. Also, at some times, the balloon would refuse to cooperate and would remove itself from the car after being inflated. Mostly, this car was just poorly built and if redone completely making these changes, the car would have most likely been more successful at completing the task it was built to do. "Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object)." Newton's First Law Newton's Third Law

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