Physics_ Egg Drop Project 3

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Jan 9, 2024

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NAME(S): Eddie Elias, Jones Harrison, Carter Bruns PERIOD: 6 Egg drop essay and calculations. For your reference, the height from top of the railing to the ground is 6.4m (total displacement). I. Theory 1.- Mass without egg (Kg): .06 kg 2.- Mass with egg (Kg): .12 kg 3.- Cross- section Area (m^2): 0.30 m /0.238 m 4.- Screenshot of video with logger pro points and scale.
5.- p/t graph.
6.- value of slope of the line section of the graph WITH UNITS. (Do not select the curved area to calculate the slope). -4.84 m/s 7.- v/t graph
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8.- Value of the v/t slope and units. If the graph has different slopes, please calculate them all. 0.23 m/s 2 9.- a/t graph
10.- Value of slope of a/t graph with units. If it has different slopes, calculate them all. The slope of the a/t graph is 0 12.- How long was the project in the air? The project was in the air for 1.5 seconds 13. - What is its acceleration? Show your work. The acceleration is 0.23 m/s^2 because it is just the slope of the velocity versus time graph
14.- What is the final velocity? Show your work. V f = a x t V f = 0.23 m/s 2 x 1.5 s V f = 0.345 m/s 15. Calculate the terminal velocity. Show your work. Sqrt ((2*.06 kg*9.8 m/s 2 )/(.23 m 2 *1.26 )) = 2.014 16.- Calculate the Drag Force. Show your work. D = ¼ x 1.2 kg/m 3 x (.3 m/.238 m) x (2.014 m/s) 2 D = 1.534 17. Calculate the weight. Show your work. W = .06 kg x 9.8 m/s 2 W = .588 N
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18. Free body diagram, including all the forces, magnitudes and directions.
19. When (in seconds) does it take to reach terminal velocity (if it ever does)? T = V t / a T = 2.014 m/s / .23 m/s 2 T= 8.757 s 20. A±er how many meters (displacement) down from the top, does it reach terminal velocity) if it does? D = ½ * 9.8 m/s 2 * 8.7565 2 s D = 375.71 m THE FOLLOWING QUESTIONS ARE RELATE TO CONCEPTS WE WILL STUDY NEXT SEMESTER. FOR NOW, JUST OBTAIN THE INFO ACCORDING TO THE EQUATION GIVEN: 21. Momentum: (Mass)(Velocity) - use the mass including the egg. (0.12 kg) x (0.345m/s) = 0.0414 m kg / s 22.- Potential: (Weight)(Height) - the height is 6.4 m for all. - use the weight including the egg (1.176 N) x (6.4m) = 7.53 joules
23.- Kinetic= (0.5)(Mass)(v^2) - use mass including the egg. For velocity, use the final velocity. (0.5) x (0.12 kg) x (0.345 m/s ^2) = 0.0207 N 24.- Sketch of the design, including all dimensions. Sketch of our Egg Drop Device:
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25.- Are you satisfied with your project? Did it work as expected? Yes, we are satisfied with the egg drop device that we created. It was cool to see that our device prevented the egg from cracking once it hit the ground. We thought the egg would break easily, but to our relief, our device (made out of only cardboard) worked as intended and was able to protect it from the impact. We decided to build this sort of “flying device”, with these wing-like pieces of cardboard to slow everything once it was going downward towards the ground. The egg would be placed within the space in the middle and would be cushioned properly. Our egg drop device did work as expected because it was built efficiently and was successful. We took time to build it and produced something functional in the end. 26.- What were the main challenges you encountered? One of the main challenges that we encountered as a group was building the egg drop device out of only one single material, which was corrugated cardboard. This meant we were restricted from using any other materials when it came to making the egg drop device. This came as a challenge because we had to come up with a clever design for the egg to be undamaged and avoid cracking at the moment of impact when it hit the ground. Additionally, another challenge we faced while doing this project was the inability to utilize glue, tape, or other fixatives. This made us think even deeper when it came time to construct the egg drop device.
27.- Any possible improvements? To be honest, we felt really proud with the final egg device that we produced, but there is only one possible improvement we would take into account if we got the opportunity to redo this project again. That improvement is making the egg drop device a bit lighter in order to get the lightest device in the entire class. I am pretty sure ours weighed around 70 grams, which obviously met the requirement for the mass (less than 200 grams, not exceeding it). In the future, we could aim to make our egg drop device lighter and still functional in order to get full credit, and maybe even some extra points.

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