Apply the properties of kinetic and potential energy. 10 mL graduated cylinder - 2 g sodium chloride spoon - 2 g sodium bicarbonate conductivity apparatus distilled water in a wash bottle. One you have found this distance, focus more carefully on this position so that you can take a measurement from the edge of the table to the position where the duck initially contacted the ground. The raw data for the explosions is shown below. After these values were calculated the ratio of the final kinetic energy to the initial kinetic energy was calculated in order to compare the values. complete other steps of the lab. All objects have momentum, even if it is zero, and momentum cannot be lost. The ______________ is happening in the presence of conservative forces like gravitational forces or the force in a spring. They were joined together by the Velcro, and the plunger was pushed into the plunger cart. Understand the role of the mass in a conservation of energy situation. When does the ball have the most kinetic energy? the total energy in the system will not change. The final condition tested was explosions. So why would KE and GPE be different? 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. stream KE = mv2 KE = ? When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Explore different tracks and view the kinetic energy, potential energy and friction as she moves. QUESTION: How do mass and the type of material affect thermal energy transfer? a. I'm not able to just leave it out in the public since Reddit will take it down because of copyright, lol. Ensure the cap is tight. '%30r85. descriptions of the heat gained by water, wet sand, and dry sand that you have made by Measure the height from which you'll be dropping your tennis ball. Write the goal of the lab or the question you tried to answer. The analysis of the results of this experiment shows that momentum was conserved in all types of collisions. SOLUTION: Kinetic Energy Student Guide Lab Report - Studypool Not because your TA says to do so, but because it adds depth to your discussion. On the Logger Pro 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. SAMPLE LAB REPORT SCI141: Biology Sections Introduction All cells are bound by a functional cell membrane. These ions attract each other and create an ionic bond. This allows you to get a more accurate answer. At the level of reference the potential energy is considered ___________. Precision is the closeness of repeated measurements. 5. They have opposite properties and have the ability to cancel or neutralize each other. Suggested Answers 1. Explain your answers. next 5 minutes, while you prepare the calorimeter in the next steps. Half-Life Data-Teacher Answer Key 1.Hypothesize what halflifeis: Halflife is the amount of time it takes for approximately half of the radioactive atoms in a sample to decay intoa more stable form. If that ball rolls down the hill however, all the GPE is converted to KE when it gets to the ground and is moving fast. Consider the circuit in the diagram. Close the lid snugly and make sure the thermometer is immersed Inquiry Lab Kinetic Energy and Motion Read the entire activity on pages 180 and 181 of the textbook. Covalent bonding is a root within Organic and Biochemistry that needs to be understood in order to fully understand the theories and concepts discussed in both forms of chemistry. Considerations: These are not questions to be answered as a separate part of the lab report. The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. For more information, please see our d. Place the cups under the heat lamp(s). 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. These sensors were attached to a computer, which was running the Logger, program, through a Vernier computer interface. As the height decreases the GPE will ________ while its kinetic energy increases. This experiment will be exploring, in depth, Newton's second law. Some of them should be addressed in your lab report. 4 times more 4 times less Allow the temperature to stabilize, and record this initial temperature to the nearest 0C One cart was a standard cart with a rod on top. Acceleration is an objects increase in velocity. The Great Depression and the New Deal How did the New Deal affect minorities in the United States (African Americans, Hispanics, etc.) Hypothesis- Answer the following question: Will an object reach the ground with more velocity than an . d. Repeat Steps 4bc for 50 g of the steel wire. Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of Objectives (3): - Explore the relationship between kinetic and gravitational energies - Analyze the importance of kinetic energy in falling objects. at a height of 10 cm from the materials. The standard cart moved to a velocity of zero and was still. Also, to see how gravity pulls the ball down storing energy and releasing the energy as the ball hits the bottom of the ramp and to see the distance the ball travels after books are added. This would force the carts to stick together after collision. The first condition tested was elastic collisions. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer 1 0 obj Lab Procedure. In the equation, 404.289cm/s^2(t) represents the slope of the parabolic curve pertaining to the distance(cm) over time(sec) as the 4.876cm displays the y-intercept in which the function crosses the axis leading to the resulting curve. Overall the total energy (kinetic plus potential) is __________. After the time has elapsed, record the actual elapsed time in the Tfinal column in Table A. Record this initial temperature for the three metal samples in Table B. The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in inelastic collisions. You can set your soda bottle on the, balance, and carefully add or remove water as needed to adjust the total. If you have been keeping score of your answers, you can always dm me the link and I'll add it to the Google Drive Edgenuity Files. Overall the total energy (kinetic plus potential) is conserved. This button released the plunger, and propelled both carts down the track in opposite directions. At the ___________ h, the object's GPE will be a maximum. This friction converts some of the energy of the ball into heat, making the value measured for KE less than expected. Each object can only have a certain amount of energy and that energy is in different forms. Find the values of (a) I2I_2I2, (b) I3I_3I3, and (c) R3R_3R3. In inelastic collisions kinetic energy was not conserved because the value of the ratio of initial and final kinetic energy was not close to one. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. The final condition tested was explosions. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. Additionally it showed that kinetic energy is only conserved in elastic collisions. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. a. Explain your reasoning: Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, for the other two cups, filling one with 200 g o, other two cups, filling one with 100 g of wet sand a, the samples set for approximately 25 minutes, touching the materials to assess their the, Civilization and its Discontents (Sigmund Freud), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Aqueous solutions are solutions that water is solvent. If you measure it in grams, simply divide the number by 1000 to get kilograms . An ionic bond is a type of chemical bond that occurs when one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion, which then result in attraction. xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy Mark the board at 7.5 cm from each end. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. The major finding was the return bounce height depended the most on the balls mass and from where it was dropped. e. Remove the steel wire sample and empty the calorimeter. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. b. Swirl the thermometer slightly, and confirm that the thermometer is well within the water. You probably found that your values for KE were slightly less than that of GPE. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. Assume that the velocity of the soda bottle falling from a height of 0.8 m will, be 4 m/s. Record the equilibrium temperature in Table B. u=MF)1\?Nt5hfw!wt{w{ry5Z~sMezs,'wMp+`$71MA. It can be proven that there were multiple sources of error by the slope of the equation on the Force vs. Acceleration group for this lab. bundle of steel wire. In experimental situations the numbers will not come out to be exactly perfect, but if the ration of the momentums is close to one it will indicate that momentum has been conserved. Think of total energy like a pizza. At the level of reference the ____________ is considered equal. This is because of the law of conservation of momentum. All rights reserved. . Anything that has mass and is moving, like a train, a moving ball, or an atom has a certain amount of energy. In other words, energy cannot be created or destroyed but it can be converted from one form into another. When these ion separate, its called dissociation. The most major of these is deceleration due to the force of friction. Hold the test tube with a test tube holder and heat the outside of the test tube with an aim and flame lighter until the wax melts. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. They were joined together by the Velcro, and the plunger was pushed into the plunger cart. M. Compute the s pecific heat of each type of metal. The standard cart moved to a velocity of zero and was still. KE = mv2 2 KE = 500J m = ? When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. This would give the velocity of each cart. A stairwell or out a window work well. << does not begin to cool. I have a template, that is simple and clear to understand. After the lab this data was analyzed using the momentum equations above to give the following values. I would definitely recommend Study.com to my colleagues. I made this because I was having to do all the research and I would've loved it, if someone had already done this. <> Water 200 20 30 9. LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9) Titration of Vinegar; LAB 8 (Week 10) Calorimetry and Hess's Law; LAB 9 (Week 11) Determination of the Gas Constant; LAB 10 (Week 12) Gravimetric Analysis of an Unknown Sulfate; LAB 11 (Weeks 13 & 14) Spectrochemistry - Benefits, Foods & Deficiency Symptoms, Working Scholars Bringing Tuition-Free College to the Community, Investigate conservation of energy through measuring potential and kinetic energy. In this lab, the possibility of experiencing sources of was extremely high as pushing a car and calculating the acceleration easily invited interference in otherwise perfect results. Place an empty trimmed cup on the mass balance kinetic energy lab report edgenuity answer key, energy homework answers, energy transformations edgenuity answers. The standard. Ionic bond, table salt. . In the presence of nonconservative forces (like friction), the total mechanical energy is, In the presence of nonconservative forces (like friction), the total mechanical energy is not conserved. All objects have momentum, even if it is zero, and momentum cannot be lost. Final Lab Report: Solar Cookin' Last week, we finally got a chance to showcase our beautiful solar ovens and complete our experiment as designed in the lab handout. Even thought Ionic bonds still hold molecules together, they are weaker than covalent. Attached to the track were two Photogate sensors. Steps. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). mass. The purpose of this lab is to explore the relationship between mass, speed, and. This proved that momentum is in fact conserved. (3 points) Covalent bond, methane. If you do not have . The Logger. Another type of energy that we will study is called, gravitational potential energy (GPE) formula. in Table A. compact mass. K. Transfer metal samples to the calorimeter and measure the temperature change. f. Allow the metal samples to reach thermal equilibrium with the boiling water over the When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Although there will be less friction than sliding it across a rough table, it's still there. In this condition the two carts were placed together in the center if the Photogate Sensors. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Because momentum is conserved we can state that the final momentum of a system is equal to the initial momentum of a system in the following equation. first example, heat energy is transferred from the stove to the pot of water, and the water absorbs the heat energy and will eventually begin to boil. After the lab was over this data was analyzed using the equations above to give the following values. 5. 2. If a ball is sitting still at the top of a hill, will it have GPE or KE? Ionic bonds are also known as electrovalent bonds. dumping the sample into the calorimeter. f. Make a hypothesis about which set of sample mass, the 200 g or 100 g, will heat up the What was determined to be true was that the structure that contained the right configuration in producing a high amount of force proved to have the greater amount of displacement of the marshmallow. The raw data readings for the elastic collisions are shown below. Energy is never created or destroyed, only converted between forms - this is known as the law of conservation of energy. introduction this section should provide Be aware that your course may or may not be on the file. If this wasn't your finding and GPE was greater, you might have some errors in your timing for dropping the ball. b. Do this at least five times and take the average. The function Positon=404.289cm/s^2(t^s) + 44.450cm/s(t) +4.876cm was identified. C. Measure the change in temperature for different materials and mass. As the height decreases the GPE will decrease while its __________ increases. ;18:/*wT$, }0@d*>@%-B(B[Q>ND)]Ey%"IV*[]OHqWfjr7fzOSx . In this condition the two carts were placed together in the center if the Photogate Sensors. An object moving with a speed of 67 m/s and has a kinetic energy of 500 J, what is the mass of the object. There are four equations that can be used in both one-dimensional kinematics and two-dimensional kinematics. This button released the plunger, and propelled both carts down the track in opposite directions. a. Kinetic Energy Lab Report Speed, height, and mass do affect kinetic energy. 2. Temperature is a measure of the internal energy of a system. Momentum cannot be lost in a collision. I feel like its a lifeline. There are many properties that distinguish an ionic compound from a covalent compound. Where: The conservation of momentum is a very important concept in physics. Accuracy is how close the average of the measured values are to the actual value. This rod would be used to break the photon beam in the Photogate sensor, and send a signal to the computer. edgenuity answer key r edgenuity reddit . When collisions occur, two properties of the colliding bodies are changed or transferred: their Energy and Momentum. Set up samples to examine thermal energy transfer with varying material and mass. temperature change, T, for each sample. Using the kinetic energy equation. Answer Key 4th edition; ACLS Exam Version B; Physio Ex Exercise 1 Activity 3; Ebook Pendidikan Pancasila Ristekdikti; . A mass of gas has a volume of 380cm3380 \mathrm{~cm}^3380cm3 at a pressure of 560mmHg560 \mathrm{~mm} \mathrm{Hg}560mmHg and a temperature of 7C7^{\circ} \mathrm{C}7C. c) Put a clean, dry stir bar inside a clean, dry 50 mL Erlenmeyer flask. So, now that it's made, I hope it helps a lot of people to get work done especially if they're really behind! ***Repeat steps 2-4 for each of the following: 5 mL of oil and 2 g each of cornstarch, sodium chloride, and sodium bicarbonate. ANSWER KEY . Which samples will heat up faster? Kinetic energy is a property of a moving object or particle and depends not only on its motion but also on its mass. stated britannica editor Erik Gregerson. All other trademarks and copyrights are the property of their respective owners. Using your data in Table B, calculate Twater and Tmetal , using Teq and Ti for each metal Current I1=2.50AI_1=2.50 \mathrm{~A}I1=2.50A. The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in explosions. This would give the velocity of each cart. This proves that momentum is conserved in collisions. circle, each equidistant from the lamp. These equations are as follows: The purpose of this lab was to test the relationship between velocity, position and time. The percent difference was calculated using the following formula. Record this in your notebook. While the slope of the linear trend line was 4084.798, the actual mass of the van and Mr. Simmons combined was 2450 kg. They are things for you to think about. To do the first experiment, the work-energy theorem is used. If you measure it in grams, simply divide the number by 1000 to get kilograms. - Determine the energies involved for a free falling body The term Kinetic means an object in motion A Static object is one that is at rest (not moving). Key points: When you leave the EdgyBot to do work by itself, you need to stay on the same tab. Hydrogen bond, water. energy in the earth system part 1 unit 4 heat and. c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. Use the graph to answer question 2-3. Then remove the .75m desk and place it on the ground. The fact that the kinetic energy ratio was very close to one shows that the kinetic energy is conserved in elastic collisions. Water 100 21 39,0 18 The standard cart was pushed towards the plunger cart, which was at rest. in Table B. an object in motion Kinetic object a. Repeat Step 3a for the 200 g samples. Endnotes: Using the information provided in the Introduction and your observations from Part 1, hypothesize as to the type of electrolyte the following solutions would be. It is hypothesized that momentum will be conserved in all conditions tested in the experiment. b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. The first condition tested was elastic collisions. Did your experiment follow the law of conservation of energy? Make sure you record the mass in kilograms in your notebook. For observation 1 and 2, pour 1 cup of water into a pan and place on stove on high heat. The lamp bulb should be positioned over the cups The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. If this was added in to the momentum equation the ration of the final over the initial momentum would likely be much closer to one. If there is a difference, distinguish between what happens . I made this because I was having to do all the research and I would've loved it, if someone had already done this. The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. with 300 mL of room temperature, add water to the calorimeter until you read 300 g of In this experiment we will be measuring the rate of decomposition of hydrogen dioxide with the following reaction: In the first experiment, How does mass affect your game? it shows that the data on Ball- Mass 3 that the 10 pound bowling ball had the highest kinetic energy of 27(J), the greatest velocity (m/s) of 3.42, and in average it produced 4 bowling points. Two carts, that had already been weighed, were placed in the track. C is a nutritional symbiont. To begin the lab a Vernier Dynamic Track was set up and leveled on a table. This will teach how to do momentum calculations for a variety of different situations where momentum is conserved - calculations that will illustrate the nature of momentum, and the fact that momentum is in fact conserved. Identify and describe the transfer of potential energy to kinetic energy. Do this a few times to find an approximate horizontal distance from the base of the table to where the duck initially contacts the ground. 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. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. One atom borrows one or more electrons from another atom. The carts were placed on the track so that the magnet containing ends of the carts were facing each other. rate of fall of an object was determined by its weight held that matter was constructed out. - Explore the relationship between kinetic and gravitational energies, The m is the mass of the object and v is the velocity of the object in motion. - Uses, Types, Examples & Side Effects, What Is Methadone? For observation 2 add. Measure the mass of the water in the calorimeter. - Facts, Addiction & Withdrawal Symptoms, What Is Zinc? The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. Once you have created your file (s) and are Q&A A rescue diver of mass 89 kg jumps from a hovering helicopter into the ocean 20 meters below.
lab kinetic energy assignment lab report edgenuity answer key
April 23, 2023
lab kinetic energy assignment lab report edgenuity answer key
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