lab kinetic energy assignment lab report edgenuity answer key

Additionally, the lab will teach how to properly use Dynamic Tracks, which will be a valuable lab skill in the future. In this lab two carts will undergo elastic collisions, inelastic collisions, and explosions on a Vernier Dynamic Track. program the reading from the first sensor was the initial velocity of the standard cart, and the reading from the second sensor was the final velocity of both carts. Now find KE. Overall the total energy (kinetic plus potential) is conserved. Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. Energy can be converted from one form to another (potential energy can be converted to kinetic energy) but the total energy within the domain remains fixed. A stairwell or out a window work well. hVmH+qW$RREWUw{Clt!AT` v6\`@8\TL)55 5DxnIe%xnkFgQ \ The purpose of this experiment is to see how height affects distance and to see how adding additional height affects the distance that the ball travels. endobj So, multiply your value for height, the mass of the ball, and 10m/s2 to get GPE. The next condition tested was inelastic collisions. In this condition the two carts were placed together in the center if the Photogate Sensors. The balls have equal kinetic energies (k1=k2)(k_1=k_2)(k1=k2), but ball 1, which is coming from the left, is moving faster than ball 2 (v1>v2)(v_1>v_2)(v1>v2). 1. Make sure you record the mass in kilograms in your notebook. <>>> This proved the groups hypothesis. The standard cart moved to a velocity of zero and was still. in comparison to white Americans? Place a book on top of the .95m table. 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You might think there is no friction in the air, but air is actually made up of millions of tiny gas molecules. Lab Handout Lab 13. Objectives (3): - Explore the relationship between kinetic and gravitational energies - Analyze the importance of kinetic energy in falling objects. Therefor elastic collisions can be defined as collisions in which kinetic energy is conserved. If you pick up a 10 N book a distance of 2 meters, how much gravitational potential energy did you . Write the goal of the lab or the question you tried to answer. The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. : an American History - Chapters 1-5 summaries; Analysis of meaning and relevance of History from the millennial point of view; Newest. This change and transfer is mediated by one or many forces.Dropping an item from specific heights and weights to see what the kinetic energy measures for each was fun. Set up samples to examine thermal energy transfer with varying material and mass. From this point, let 4 0 obj According to the data, on Ball- Mass 1 the 11 pound ball got an average velocity (m/s) of 3.14, the kinetic energy of 24 (J), and the average bowling points of 3. Dry sand 200 19 40 21. Course Hero is not sponsored or endorsed by any college or university. As mentioned in the research, projectile motion was shown when the marshmallow was launching. Every radioactive element has a different halflife. endobj For more information, please see our Use the graph to answer question 2-3. . b. Swirl the thermometer slightly, and confirm that the thermometer is well within the water. lab kinetic energy edgenuity answers. This proves that momentum is conserved in collisions. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. Each object can only have a certain amount of energy and that energy is in different forms. The volume is determined by measuring with a ruler and by water displacement. Record this velocity for each mass in Table A, and use it to calculate, the predicted kinetic energy of the soda bottle for the masses using the, Review the following relationship for mass and volume of water: 1mL = 0.001. kg; this means that 200mL of water has a mass of .2kg. A rod was used to push down the button on top of the plunger cart. Aqueous solutions of ionic substances will be experimented with in this Ionic Reactions lab. Add water to the cup until the total mass reads 100 g. Repeat for the The standard cart was pushed towards the plunger cart, which was at rest. Dry Sand ANSWER KEY . The Logger Proprogram was set up so that it would collect the Gate Time from each Photogate sensor. The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. Record this in your notebook. Then push the duck so it is compressed and is going to launch horizontally . The fact that the kinetic energy ratio was very close to one shows that the kinetic energy is conserved in elastic collisions. The values of the velocities were shown on the Logger Proprogram. /Filter /FlateDecode Pour out some of the water from your soda bottle to adjust the total mass of, water and bottle to 0.125 kg (125 g). '%30r85. Learn about conservation of energy with a skater gal! and our THERMAL ENERGY TRANSFER LAB GUIDE || Edgenuity Portfolio Guide Only Science Simply Explained by Ivy Alefante 138 subscribers Subscribe 37 Share Save 1.2K views 1 year ago This video is only a. Create an account to start this course today. kinetic energy to object 2. The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. In physics momentum is always conserved. Kinetic energy (KE), the energy of movement, and gravitational potential energy (GPE), or stored energy due to height. . Record all data in Table A, and calculate the You probably found that your values for KE were slightly less than that of GPE. balance and tare for zero. any excess water drip off the wire sample, but make the transfer quickly so the metal When you are finished, submit this assignment to your teacher by the due date for full credit. This would give the velocity of each cart. All objects have momentum, even if it is zero, and momentum cannot be lost. f. Allow the metal samples to reach thermal equilibrium with the boiling water over the Lesson: Types of Chemical Reactions, Project: Thermal Energy and Chemical Reactions Students apply knowledge of technological design, as well as techniques of project-based learning in order to investigate the relationship between chemical processes and the release of thermal energy. % of tape at these points to serve as targets. In inelastic collisions the objects stick together after they collide. Vocabulary Words . Privacy Policy. Data: m = kg Fave = N x (m )v /s Wo rk JKE % Dif enc Scoring Rubric: E6. F. Be sure to wear protective gloves when handling all metal samples! Overall the total energy (_____________) is conserved. Place a beanbag so it is centered on one end of the board at the target. b. with 300 mL of room temperature, add water to the calorimeter until you read 300 g of This will serve as a backstop for launching the duck. To unlock this lesson you must be a Study.com Member. Coil the wire web feb 7 2023 edgenuity chemistry lab report answers title the title should be concise and clearly describe the purpose of the experiment. descriptions of the heat gained by water, wet sand, and dry sand that you have made by The conservation of the energy is happening in the presence of conservative forces like gravitational forces or the _____________. Fill close to the 0 mL line but not higher, or you will not be able to measure volume accurately. a. Joule (J) 4. e. Measure out approximately 50 g of lead pellets, record the exact mass in Table B, and Allow the temperature to stabilize, and record this initial temperature to the nearest 0.1C in All objects have momentum, even if it is zero, and momentum cannot be lost. >> The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in inelastic collisions. Students in an AP Physics lab perform an electrostatics experiment involving two charged spheres suspended, Introduction: Accuracy and precision were the major aspects of the lab. Amanda has taught high school science for over 10 years. Lab: Kinetic Energy Assignment: Lab Report 1 See answer Advertisement zlskfrum Answer: Explanation: In this lab, two pieces of rock, one big one small, are dropped from the same height onto mud. There's also a Tips and Tricks folder that needs more added to it, so if you have any of those to give, it would be appreciated. If there is a difference, distinguish between what happens . It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. Describe the three different types of bonds, providing examples of molecules formed through each type of bond. Lab #6 - Work-Kinetic Energy Theorem Therefore, if the work done by a particular force appears not to be equal to the change in kinetic energy of the object, then the system should by analyzed for possible work (positive or negative) done by other forces. does not begin to cool. As the height decreases the GPE will decrease while its __________ increases. Then remove the .75m desk and place it on the ground. touching the materials to assess their thermal energy. If you measure it in grams, simply divide the number by 1000 to get kilograms. Steps. @W From identifying the distance-time graph equation, the next step is to find the velocity of the set data. The cell membrane functions to protect a cell and to regulate the movement of molecules and ions into and out of cells. You wouldn't be wrong, but every object, moving or stationary, has energy. c. The three material types should be room temperature, but place a thermometer in each Momentum cannot be lost in a collision. Market-Research - A market research for Lemon Juice and Shake. We interpret the = sign to mean that the gravitational potential energy of the ball before it fell was converted into an exactly . Enjoy!! K. Transfer metal samples to the calorimeter and measure the temperature change. A. When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Attached to the track were two Photogate sensors. This would force the carts to repel each other and not stick together during collision. If you measure it in grams, simply divide the number by 1000 to get kilograms . An example of an elastic collision is a cue ball striking a billiards ball initially at rest. u=MF)1\?Nt5hfw!wt{w{ry5Z~sMezs,'wMp+`$71MA. I will add credit to the file and on this post. The carts were placed on the track so that the Velcro side of each cart was facing the other. temperature. other two cups, filling one with 100 g of wet sand and one with 100 g of dry sand. Collisions occur when two or more objects collide, and can be either elastic, or inelastic. There are multiple possible sources of error in this experiment. b. These values were recorded, and the procedure was repeated two more times for a total of three readings. mL cylinder to the beaker on the stir plate and empty it into the beaker. These results are shown in the table below. In this condition the two carts were placed together in the center if the Photogate Sensors. calorimeter into a beaker or other secondary container to prevent wobbling. While the slope of the linear trend line was 4084.798, the actual mass of the van and Mr. Simmons combined was 2450 kg.