lab kinetic energy assignment lab report edgenuity answer key lab kinetic energy assignment lab report edgenuity answer key

If you have access to a supervised laboratory, do Part A. Overall the total energy (kinetic plus potential) is __________. Data section includes the provided table. - 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). - Benefits, Foods & Deficiency Symptoms, Working Scholars Bringing Tuition-Free College to the Community, Investigate conservation of energy through measuring potential and kinetic energy. Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of Try to let Amanda has taught high school science for over 10 years. There are four equations that can be used in both one-dimensional kinematics and two-dimensional kinematics. If using two lamps, place three cups under each. This is a valuable physics lab skill. - h is the maximum height of the object relative to the level of reference chosen. The Logger. Explain your answers. 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. a. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. Each chemical compounds has a certain percentage of ionic character in its bonds and the remaining percentage as covalent bonds. e. Measure out approximately 50 g of lead pellets, record the exact mass in Table B, and There are many properties that distinguish an ionic compound from a covalent compound. 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. 13 chapters | Repeat steps 5 and 6 for KNO3. Why or why not? 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). For instructions on how to get a purchase key and activate your EdgyBot, visit Visual Instructions Steps for use: Install this script using tampermonkey. The equation for KE is 0.5 multiplied by mass, multiplied by velocity squared: If you're struggling getting the time exact, try doing the experiment with two people. then place a thermometer in each cup and observe the readings until they do not climb Coil the wire I'm not able to just leave it out in the public since Reddit will take it down because of copyright, lol. Allow the temperature to stabilize, and record this initial temperature to the nearest 0C if the water bath is boiling. The purpose of the experiment was to find the effect of a balls drop height on its return bounce height. Reddit and its partners use cookies and similar technologies to provide you with a better experience. a Potential energy d Chemical energy e Electrical energy energy stored in a bicycle at the top of a hill the heat released by a steaming bag of popcorn the bonds between the protons of a. ;18:/*wT$, These values were recorded, and the procedure was repeated two additional times for a total of three readings. slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. The overall goal of this activity is to provide the students with a diagram that can help them learn and memorize the different characteristics associated with chemical bonding. The standard cart was pushed towards the plunger cart, which was at rest. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. Understand the role of the mass in a conservation of energy situation. Using your data in Table B, calculate Twater and Tmetal , using Teq and Ti for each metal What was determined to be true was that the potential energy was larger than the kinetic. These results are shown in the table below. Repeat Steps 68d for the The first condition tested was elastic collisions. 4 0 obj The analysis of. If you want to start doing an Answer Key too! Place the pH probe in the beaker and record the pH in the data table. The lamp bulb should be positioned over the cups Each object can only have a certain amount of energy and that energy is in different forms. 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. Now find KE. Momentum cannot be lost in a collision. << Explain your reasoning: Which samples will heat up faster? These results are shown in the table below. Dry sand 100 19 63 44 A rod was used to push down the button on top of the plunger cart. Lay the board on its midpoint across the 2 diameter cylinder. The purpose of this lab is to test substances and to determine the physical and chemical properties of substances. Current I1=2.50AI_1=2.50 \mathrm{~A}I1=2.50A. 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). Also! If needed, place the calorimeter into a beaker or other secondary container to prevent wobbling. c) Put a clean, dry stir bar inside a clean, dry 50 mL Erlenmeyer flask. f. Make a hypothesis about which set of sample mass, the 200 g or 100 g, will heat up the b. Swirl the thermometer slightly, and confirm that the thermometer is well within the water. 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. Precision is the closeness of repeated measurements. Make sure you record the mass in kilograms in your notebook. Therefor all the momentum from the object that is initially moving will be transferred to the other object. Conservation of Energy- lab handout. The values of the velocities were shown on the Logger. (3 points) Covalent bond, methane. Additionally the lab taught how to properly work with carts on a Dynamic Track. We can monitor the rate at which a chemical decomposes or the rate at which a chemical substance appears. 1. cup, allow the reading to stabilize. Write the goal of the lab or the question you tried to answer. Then you can change the height of by adding a .75m desk on top of the .95m table. Privacy Policy. Dry sand 200 19 40 21. Later, one piece of rock is dropped from different heights and hole made measured. 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. Momentum (, ) can be calculated by multiplying mass (, To begin the lab a Vernier Dynamic Track was set up and leveled on a table. Using a 500 mL beaker In our lab work, we had to do multiple tests by dropping a can onto a clay ball. When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Next, we need to do some calculations to find GPE and KE. In elastic collisions kinetic energy was always conserved. Organismic Lab Lab1- Dichotomous Key Introduction A dichotomous key is a series of paired statements or questions that are used to categorize organisms with their similarities in characteristics and or structure. Add water to the cup until the total mass reads 200 g. Repeat What is the force required to bring the aircraft to a. web feb 7 2023 edgenuity chemistry lab report answers title the title should be concise and clearly describe the purpose of the experiment. In each calculation below the initial momentum is calculated using the following formula. descriptions of the heat gained by water, wet sand, and dry sand that you have made by In the presence of nonconservative forces (like friction), the _____________ is not conserved. Sample calculations are shown for Student Guide (continued) a) Place the lid on the calorimeter, and insert the thermometer. Two carts, that had already been weighed, were placed in the track. F. Be sure to wear protective gloves when handling all metal samples! So, now that it's made, I hope it helps a lot of people to get work done especially if they're really behind! 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 Great Depression and the New Deal How did the New Deal affect minorities in the United States (African Americans, Hispanics, etc.) The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. The slight discrepancies in the values of initial and final momentum can be explained by some sources of error. Did your experiment follow the law of conservation of energy? a. The carts were placed on the track so that the Velcro side of each cart was facing the other. If the slope was steeper on the graph, this meant that the cart had an increase in velocity. touching the materials to assess their thermal energy. %PDF-1.6 % All rights reserved. h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). <> temperature change, T, for each sample. 3. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 2. Anything that has mass and is moving, like a train, a moving ball, or an atom has a certain amount of energy. Other researches had similar data but were never exactly the same. Gizmos is an online learning tool created and managed by ExploreLearning Pre-Lab|In Lab 12) lesson on Edgenuity Entropy Energy And Chemical Equilibrium Lab Report ELECTRIC CIRCUITS LABORATORY MANUAL Lab 3 Out of Class - Lab 3 Answer Key Lab 6 - Lab 6 Answers Aae340hw3 solution AAE340 appendix - Lecture Appendices - Useful info for HW. Energy is transferred through vibrating particles of . Key points: When you leave the EdgyBot to do work by itself, you need to stay on the same tab. Measure out approximately 50 g of aluminum wire using a mass balance. If you want the answer key, you can dm me or you can comment so it'll . Measure the mass of the water in the calorimeter. This equation can become a powerful tool when analyzing all types of collisions. Create your account. The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. Ionic bonds form their bond when opposite charged ions in a chemical compound have an electrostatic attraction. Explore the relationship between mass, speed, and kinetic energy using a laboratory Hypothesis #1 If the mass of an object increases, then its kinetic . or other heating source. Market-Research - A market research for Lemon Juice and Shake. Additionally it showed that kinetic energy is only conserved in elastic collisions. The volume is determined by measuring with a ruler and by water displacement. This button released the plunger, and propelled both carts down the track in opposite directions. What are the units for kinetic energy? Draw a circle, an X, or place a piece. The goal of the experiment was to identify the gravitational acceleration from the recorded distance(cm) vs time(sec) data of a fallen object. 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. I would definitely recommend Study.com to my colleagues. Record this in your notebook. 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. Measure 200 mL of water with the graduated cylinder and transfer it to an. These calculations illustrated the nature of momentum, and showed that momentum is always conserved. If students have difficulties differentiating the characteristics associated with covalent and ionic bonding, they will suffer with future topics and other branches of chemistry. - m is the mass If using one heat lamp, put the six cups in a tight Water 200 20 30 9. The analysis of these values showed that momentum is conserved in all collisions. Energy that exists by virtue of an object's motion is called the Kinetic Energy. Kinematics requires the understanding of how objects move vertically and horizontally. These resources will help you complete the assignment. 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. If not, why do you think that happened? and securely tape the cylinder to the board with the packing tape. As the height decreases the GPE will ________ while its kinetic energy increases. If there is a difference, distinguish between what happens . These equations are as follows: The purpose of this lab was to test the relationship between velocity, position and time. Kinetic factor refers to DGa, activation energy; while the thermodynamic factor refers to DG =G 2-G 1, the driving force. The carts were placed on the track so that the magnet containing ends of the carts were facing each other. KINETIC ENERGY LAB || Edgenuity || Science Simply Explained by Ivy Alefante 1,119 views Premiered Feb 18, 2021 28 Dislike Share Save Ayvee CreARTes 1.47K subscribers This is just a guide to. Time can vary slightly as needed to They were joined together by the Velcro, and the plunger was pushed into the plunger cart. Lab Handout Lab 13. In our lab, some pairs would start and stop in order to remain at the correct number of pounds on the vehicle; therefore, the car had inconsistent acceleration and the data did not accurately reflect the constant rate. Once you have created your file(s) and are, An aircraft weighing 18785 N returns to the aircraft carrier and lands. Acids and bases are encountered frequently both in chemistry and in everyday living. Where: Course Hero is not sponsored or endorsed by any college or university. Start a timer or note the time on a clock. Before you start, make a prediction: Will the GPE at the top be the same as the KE at the bottom? Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, Not because your TA says to do so, but because it adds depth to your discussion. a. Simply put, his law describes the relationship between the mass of an object, the acceleration of an object, and the force needed to move it. The carts were placed on the track so that the Velcro side of each cart was facing the other. in Table A. KE = mv2 KE = ? Lab: Kinetic Energy Assignment: Lab Report Instructions Click the links to open the resources below. The experiment was executed by dropping three different balls of different masses at 100, 75, 50, and 25 centimeters. 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. Think of total energy like a pizza. Enjoy!! The word dichotomous comes from two Greek words that translate to "divided in two parts. B is a filter feeder or a detritivore. The most major of these is deceleration due to the force of friction. A 50 kg ball traveling at 20 m/s would have kinetic energy. rate of fall of an object was determined by its weight held that matter was constructed out. 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. (b) The balls will move to the left because p2>p1p_2>p_1p2>p1 before the collision. @W Record the exact mass in Table B. . The standard cart was pushed towards the plunger cart, which was at rest. At the maximum height, __, the object's GPE will be a maximum. Record your time in your data table in seconds. There are multiple possible sources of error in this experiment. All other trademarks and copyrights are the property of their respective owners. A rod was used to push down the button on top of the plunger cart. In this experiment we will prove the conservation of energy by observing the interplay between kinetic and gravitational potential energy. and our Make sure you record the mass in kilograms in your notebook. The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. a. energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. 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A 50 kg person falling at 10 m/s would have kinetic energy. . c. The three material types should be room temperature, but place a thermometer in each (2015,[online]). 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. KE = mv2 2 KE = 500J m = ? The conservation of the energy is happening in the presence of conservative forces like gravitational forces or the _____________. Additionally, the lab will teach how to properly use Dynamic Tracks, which will be a valuable lab skill in the future. We traded experiments and materials with another group, so each group got a chance to watch an unbiased group perform their experiment. circle one - g is gravity (not to be associated with the acceleration due to gravity because g is a scalar) Another type of energy that we will study is called, gravitational potential energy (GPE) formula. This would force the carts to stick together after collision. J. Reassemble the calorimeter and position the thermometer. The energy of a moving object is called kinetic energy. In this lab, we'll be studying the principle of conservation of energy. Go to pages 5 to 7 of Assignment Booklet 2B and answer questions 10 to 15. Drag the beaker to the red disposal bucket. If your time is greater than it's supposed to be, your results won't make sense. Cross), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Psychology (David G. Myers; C. Nathan DeWall), The Methodology of the Social Sciences (Max Weber), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Give Me Liberty! endobj What is the diver's speed (in m/s) when he hits the water? 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. 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. The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in inelastic collisions. 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. Measure the mass of your ball on the balance. In elastic collisions the objects that collide do not stick together, and both continue on with new velocities after the collision. These sensors were attached to a computer, which was running the Logger Proprogram, through a Vernier computer interface. I. of tape at these points to serve as targets. The temperature of the metals should have reached the same releases or absorbs thermal energy by chemical processes. The desk will then be used to launch from a vertical displacement of .75m place the duck up against the book and launch it horizontally, again collecting 5 separate data points and taking the average of the. 3 0 obj This button released the plunger, and propelled both carts down the track in opposite directions. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. 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. Introduction When law enforcement officials investigate car crashes (see Figure L13.1), it can sometimes be difficult to determine who is at fault and what laws were broken, especially when there is no footage of the crash. The raw data for the explosions is shown below. 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. Think about what you already know about energy. b. xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy 124 lessons. I recommend using this template. d. Remove the aluminum wire sample and empty the calorimeter. After the lab this data was analyzed using the momentum equations above to give the following values. However, the analysis of kinetic energies proved that kinetic energy is not always conserved. 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. K. Transfer metal samples to the calorimeter and measure the temperature change. Introduction: Chemical reactions are dependent upon two factors: temperature and concentrations of substance. Ionic bonds are formed between a metal and a non-metal. The kinetic energy before and after the system was then computed using the following equation. Overall the total energy (kinetic plus potential) is conserved. This would give the velocity of each cart. If a person riding a bike has a mass of 200 kg and is moving at a velocity of 5 m/s, what is their kinetic energy? If the mass of an object increases, then its kinetic energy will also increase because, mass and kinetic energy have a directly proportional relationship and have a linear, Independent: mass of the soda bottle (changing amounts of liquid), Measure the length of your wooden board, and divide that in half to mark at, its midpoint. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground. HELP ASAP ITS 8th GRADE SCIENCE BUT IT DOESN'T HAVE THAT OPTION The graph shows the kinetic energy (KE) and potential energy (PE) of a bouncing ball o ver a period of 9 seconds. 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Physics Lab - Work & Kinetic Energy (uses Science Workshop TM Interface) Purpose: The purpose of this lab is to compare the work done on an object with the object's change in kinetic energy. upright near the end of the lever, maybe taped against a wall. This would force the carts to repel each other and not stick together during collision. The only compounds that are accepted as being 100 percent covalent are the chemical combinations that happen between two similar atoms.However if atoms are different in the compound it will present a certain percentage of ionicity in its, III. -- the products are at a lower free energy, or more stable, than the reactants. Set up samples to examine thermal energy transfer with varying material and mass. other two cups, filling one with 100 g of wet sand and one with 100 g of dry sand. The initial velocity of the standard cart and the final velocity of the plunger cart were the readings from the first and second Photogate sensors, respectively, on the Logger. Introduce the eight PH indicator strips in the eight . Overall the __________ (kinetic plus potential) is conserved. 1001 LAB 3: CONSERVATION OF ENERGY 1001 Lab 3 2 which is called the kinetic energy of the ball just before it hits the ground. 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. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. The nonconservative work is the _________________________, Conservation of change in kinetic energy formula, Lab 9: Centripetal Force & Rotational Dynamics, Mathematical Methods in the Physical Sciences. Suggested Answers 1.