(2015,[online]). a. Do this at least five times and take the average. This experiment will be exploring, in depth, Newton's second law. : an American History - Chapters 1-5 summaries; Analysis of meaning and relevance of History from the millennial point of view; Newest. Place the lid on the calorimeter, and insert the thermometer. This would force the carts to stick together after collision. The raw data readings for the elastic collisions are shown below. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. <>>>
The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. The Photogate sensors were used to measure the velocity of each cart as it moved from the explosion site. Hydrogen bond, water. In the presence of nonconservative forces (like __________), the total mechanical energy is not conserved. CLEANUP : Leave the test tube with wax stuck in it in the lab station. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. Discussion: The Work/Energy Equation says "The work done on an object by the net force on it equals the object's change in kinetic energy." or, in symbols: I've been adding the answer key to my World History and Biology course. I'm not able to just leave it out in the public since Reddit will take it down because of copyright, lol. Upon graphing the data, the best fit line was identified in order to find the formula of the function. A 50 kg ball traveling at 5 m/s would have kinetic energy. In this lab this was analyzed in multiple collision situations. Market-Research - A market research for Lemon Juice and Shake. We know that the law of conservation of energy says that energy can never be created or destroyed, so what happened? Using the kinetic energy equation. We interpret the = sign to mean that the gravitational potential energy of the ball before it fell was converted into an exactly . in Table A. Anything that has mass and is moving, like a train, a moving ball, or an atom has a certain amount of energy. %PDF-1.6
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These ions attract each other and create an ionic bond. All objects have momentum, even if it is zero, and momentum cannot be lost. and securely tape the cylinder to the board with the packing tape. 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. 5. Record the final temperature value for each cup in Table A. D. stream Lab Handout Lab 13. 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, stuck together, and continued down the track with a new velocity. You always get 8 slices, but some of those slices might be cheese, while others might be pepperoni. e. Measure out approximately 50 g of lead pellets, record the exact mass in Table B, and This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. for the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. K. Transfer metal samples to the calorimeter and measure the temperature change. The volume is determined by measuring with a ruler and by water displacement. Cite: answers.com Work =Fd Ex:Trial 1: 0.98N*1.47m=1.44J Kinetic Energy= 1/2mv^2 Ex: Trial 1: 1/2 (794.5g) (1.16m/s/s)= 534.5J Because the percent differences were relatively close to zero the momentum of the system was conserved. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. Introduce the eight PH indicator strips in the eight . Assume that the velocity of the soda bottle falling from a height of 0.8 m will, be 4 m/s. The standard cart moved to a velocity of zero and was still. Place the calorimeter (no lid) on the balance and tare the balance. We used the equation Y=mx+b, in order to compare the velocity of each trial by comparing the slope and the y-intercept. Allow the temperature to stabilize, and record this initial temperature to the nearest 0C d. Remove the aluminum wire sample and empty the calorimeter. m = 150kg . No items have been added yet! at a height of 10 cm from the materials. a. 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. Overall the total energy (kinetic plus potential) is __________. slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. KE = mv2 2 KE = 500J m = ? In this lab two carts will undergo elastic collisions, inelastic collisions, and explosions on a Vernier Dynamic Track. E. PART II: Examining the Effect of Material Type on Thermal Energy Transfer and Specific Heat 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. These values were recorded, and the procedure was repeated two more times for a total of three readings. 3 0 obj
Calculate thenumber of radioactive atoms remaining after each halflife. If a ball is sitting still at the top of a hill, will it have GPE or KE? . WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. I would definitely recommend Study.com to my colleagues. 13 chapters | place the pellets in the strainer. Be aware that your course may or may not be on the file. next 5 minutes, while you prepare the calorimeter in the next steps. 3. kinetic energy to object 2. 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. Try to let >> a. Joule (J) 5. The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. Table A: The Effect of Mass or Material Type on Thermal Energy Transfer. In this condition the two carts were placed together in the center if the Photogate Sensors. Measure the mass of the water in the calorimeter. an object in motion Kinetic object To answer this question, you really have to think about the moving atoms and molecules as having energy. Draw a circle, an X, or place a piece. 5) 5 mL of sugar was added to the solution and a balloon was placed over the opening of the bottle to minimize the loss of any gas from the system. Make sure you record the mass in kilograms in your notebook. Add water to the cup until the total mass reads 100 g. Repeat for the We wrote down our data to prove that speed, height, and mass affect kinetic energy. Wet sand 200 20 37 16. Place a beanbag so it is centered on one end of the board at the target. The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. F"361:~Sx~(1 3a1Hf!&%d~~Iy9ed*0|bc_.Q|Akh'Se&
fOr)/x Aqueous solutions of ionic substances will be experimented with in this Ionic Reactions lab. 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. a. Repeat Step 3a for the 200 g samples. 2. program was set up so that it would collect the Gate Time from each Photogate sensor. Where: Every radioactive element has a different halflife. /Length 2645 heated aluminum wire from the hot water to the calorimeter using the tongs. 2 0 obj
In each calculation below the initial momentum is calculated using the following formula. Lay the board on its midpoint across the 2 diameter cylinder. A rod was used to push down the button on top of the plunger cart. On the Logger. stream
Accuracy is how close the average of the measured values are to the actual value. I made this because I was having to do all the research and I would've loved it, if someone had already done this. Other researches had similar data but were never exactly the same. 498 0 obj
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Lab Procedure. Kinetic Energy Lab Report Edgenuity Answers. These resources will help you complete the assignment. These sources of error include human error such as not keeping the acceleration constant, changing the force placed on the van, and by starting or stopping the timer late. 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. 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. The kinetic energy before and after the system was then computed using the above kinetic energy equation. When these ion separate, its called dissociation. Measure out approximately 50 g of aluminum wire using a mass balance. These equations are as follows: The purpose of this lab was to test the relationship between velocity, position and time. 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. 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). The standard cart moved to a velocity of zero and was still. When you are finished, submit this assignment to your teacher by the due date for full credit. Amanda has taught high school science for over 10 years. The function Positon=404.289cm/s^2(t^s) + 44.450cm/s(t) +4.876cm was identified. Time can vary slightly as needed to 3. 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. Execute Energy Forms And Changes Lab Answer Key Pdf within a couple of moments by simply following the guidelines below: Pick the template you will need from our library of legal form samples. The kinetic energy before and after the system was then computed using the above kinetic energy equation. It should be least 4 meters so that you can measure the time easily. b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. This allows you to get a more accurate answer. The energy stored in an object while at rest in a gravitational field. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer Step 2: Set up samples to examine thermal energy transfer with varying material and mass. b. You wouldn't be wrong, but every object, moving or stationary, has energy. endstream
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Steps. C is a nutritional symbiont. After the lab was over this data was analyzed using the equations above to give the following values. Close the lid snugly and make sure the thermometer is immersed with 300 mL of room temperature, add water to the calorimeter until you read 300 g of Write the goal of the lab or the question you tried to answer. In this experiment we will prove the conservation of energy by observing the interplay between kinetic and gravitational potential energy. 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. Place a book on top of the .95m table. Which samples will heat up faster? KE = KE = 2500 J 6. 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. Reddit and its partners use cookies and similar technologies to provide you with a better experience. These sensors were attached to a computer, which was running the Logger, program, through a Vernier computer interface. Momentum (p) can be calculated by multiplying mass (m) by velocity (v) in the following equation. any higher. Ionic bond, table salt. The Great Depression and the New Deal How did the New Deal affect minorities in the United States (African Americans, Hispanics, etc.) You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground. Today, we're going to see how this plays out in the real world. hd Let's start with GPE. does not begin to cool. At the level of reference the potential energy is considered ___________. Apply the properties of kinetic and potential energy. of tape at these points to serve as targets. Record the exact mass in Table B. The hypothesis that if it the ball was dropped from a higher drop points, it would have a greater bounce height was supported. 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. This equation can become a powerful tool when analyzing all types of collisions. Explore different tracks and view the kinetic energy, potential energy and friction as she moves. If you pick up a 10 N book a distance of 2 meters, how much gravitational potential energy did you . Step 1: Gather materials. What is the force required to bring the aircraft to a. From this point, let Additionally the lab taught how to properly work with carts on a Dynamic Track. Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Middle School Earth Science: Homework Help Resource, Middle School Earth Science: Tutoring Solution, High School Physics: Homework Help Resource, High School Biology: Homework Help Resource, UExcel Pathophysiology: Study Guide & Test Prep, Veterinary Assistant Exam: Prep & Study Guide, General Chemistry Syllabus Resource & Lesson Plans, Earth Science for Teachers: Professional Development, Astronomy for Teachers: Professional Development, Biology for Teachers: Professional Development, Basic Genetics for Teachers: Professional Development, Elastic Potential Energy: Definition, Formula & Examples, Effects of Interionic Attraction on Colligative Properties & Solubility, What Are Beta Blockers? 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 taught the very important concept of the conservation of momentum. In a car, the chemical energy stored in the gasoline is released when it is burned in the engine; that chemical energy is ultimately converted to kinetic energy and results in the motion of the car. Get your timer ready and prepare to drop the ball. Wet sand 100 20 53 33. - Facts, Addiction & Withdrawal Symptoms, What Is Zinc? Now find KE. 124 lessons. The analysis of the results of this experiment shows that momentum was conserved in all types of collisions. Then push the duck so it is compressed and is going to launch horizontally . On the other hand, the evidence shows that the 12 pound bowling ball in Ball- Mass 2 has the velocity (m/s) of 3.12, the kinetic energy of 23 (J), and the average bowling points of 4 . Understanding of DG =G 2-G 1, the driving force A thermodynamically favorable reaction or process means DG < 0, that's to say, highly driven! Suggested Answers 1. Read through the scenarios below and calculate the predicted change in kinetic energy of the object compared to a 50 kg ball traveling at 10 m/s. These results are shown in the table below. This cart also had a rod to assist in readings. program. 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. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer e. Remove the steel wire sample and empty the calorimeter. 4 times more 4 times less 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. <>
Build your own tracks, ramps, and jumps for the skater. 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. c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more The Logger Proprogram was set up so that it would collect the Gate Time from each Photogate sensor. (b) The balls will move to the left because p2>p1p_2>p_1p2>p1 before the collision. 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. As the height decreases the GPE will decrease while its __________ increases. Record all data in Table A, and calculate the L. The fact that the kinetic energy ratio was very close to one shows that the kinetic energy is conserved in elastic collisions. (c) The balls will move to the right because v1>v2v_1>v_2v1>v2 before the collision. Record this initial temperature for the three metal samples in Table B. << Ionic bonds form their bond when opposite charged ions in a chemical compound have an electrostatic attraction. Instead, it changes from one form of energy to another. 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 purpose of this lab is to test substances and to determine the physical and chemical properties of substances. The Logger. endobj
They then continue on together with one final velocity. fastest. After the lab this data was analyzed using the momentum equations above to give the following values. Temperature is a measure of the internal energy of a system. For more information, please see our All rights reserved. ;18:/*wT$, Water 200 20 30 9. endstream
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Ionic bonding is a type of chemical bond formed between two ions with opposite charges. 1. So, multiply your value for height, the mass of the ball, and 10m/s2 to get GPE. The raw data for the explosions is shown below. a. Lab-Kinetic Energy-student guide (3).docx, Lab-Kinetic Energy-student guide (1)report.pdf, Lab-Kinetic Energy-student guide.docx.pdf, Lab-Kinetic Energy-student guide (1).docx, 46 During concept testing a product is evaluated by management without any input, A response is an activity that helps return a variable to a set point Hint 2, Question 3 What are the four sources of Islamic Law Enlist and Explain in detail, _ANAMILENAAYALACIFUENTES_S40074266_ComplexDocuments_Assessment#2.docx, Career Inventory Activity Instructions.docx, Develop and implement marketing strategies This unit describes the performance, centers An AI simulated digital worker has the capability of intensifying speed, Sustainability of Tourism in Great Wall of China.docx, Battle of Khanwa 1527 Babur defeated Rana Sunga further strengthening his, Therefore it is important to understand both the organisations comprising the, 26 In XP open Notepad and type the following echo off bookmark explorer goto, WK 2 - Business Research Ethics Analysis - K.Hedgpeth.docx, side deal did not increase the amount of money that Bread Maker would have paid, Answer Sheet - Lab #2 - Mitosis and Meiosis done .pdf, Lab: Kinetic Energy Assignment: Lab Report Instructions Click the links to open the resources below. In this experiment, we will collect data on velocity, speed, and time. : an American History (Eric Foner), PWV 03 Cart on a Ramp - Cart on a Ramp lab, Medical Surgical 1 (MURS_3144_01_UG_MAIN_MEDICAL-SURGICALNURSING1), Care of the childrearing family (nurs420), Strategic Decision Making and Management (BUS 5117), Online Education Strategies (UNIV 1001 - AY2021-T), Intermediate Medical Surgical Nursing (NRSG 250), Strategic Human Resource Management (OL600), Managing Projects And Programs (BUS 5611), Curriculum Instruction and Assessment (D171), Professional Application in Service Learning I (LDR-461), Advanced Anatomy & Physiology for Health Professions (NUR 4904), Principles Of Environmental Science (ENV 100), Operating Systems 2 (proctored course) (CS 3307), Comparative Programming Languages (CS 4402), Business Core Capstone: An Integrated Application (D083), Test bank - medical surgical nursing 10th edition ignatavicius workman-btestbanks.com -zo8ukx, CH 13 - Summary Maternity and Pediatric Nursing. - 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. I will add credit to the file and on this post. Measure out 500 mL of tap water in the 1 L beaker and bring it to a boil using a hot plate Were the values for KE and GPE the same? Record your time in your data table in seconds. Another type of energy that we will study is called, gravitational potential energy (GPE) formula. Drag the beaker to the red disposal bucket. . One cart was a standard cart with a rod on top. Practice dropping the soda bottle so that the bean bag pops up straight and, can have its height measure with the meter sticks. Answer Key 4th edition; ACLS Exam Version B; Physio Ex Exercise 1 Activity 3; Ebook Pendidikan Pancasila Ristekdikti; . 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 Proprogram. - m is the mass b. Swirl the thermometer slightly, and confirm that the thermometer is well within the water. You're probably considering the lights in your home or maybe the fuel you need to run a race. This is the lab data explained. J. Reassemble the calorimeter and position the thermometer. 4 0 obj
circle, each equidistant from the lamp. h.wTU#5SQ-fr"hul,h1,fXE1"Z3Z|6@'ru` 9Zpt%2{F&Q"N#/{]B; y&p*.0~A!mGTFeOnHtH_\02w4r7D\x/heDz0*q[P. 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. One thing that, The purpose of the experiment was used to determine which team created a design that ultimately proved to launch the marshmallow the farthest. e. Turn on your heat lamp(s). - Treatment, Effects & Withdrawal Symptoms, What Is Nicotine? In your observations, include qualitative The conservation of the energy is happening in the presence of conservative forces like __________ or the force in a spring. I recommend using this template. Energy is never created or destroyed, only converted between forms - this is known as the law of conservation of energy. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). I have a template, that is simple and clear to understand. 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. <>
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? As usual, you should refer to, 1. I'm remaking this, so it'll be more coherent. 4. 2. d. Repeat Steps 4bc for 50 g of the steel wire. Hypothesis- Answer the following question: Will an object reach the ground with more velocity than an . Explain your reasoning: Which samples will heat up faster? Think of total energy like a pizza. . complete other steps of the lab. The standard cart was pushed towards the plunger cart, which was at rest. Trim three more foam cups to half size. 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. If the speed of the object increases, its kinetic energy increases. We can monitor the rate at which a chemical decomposes or the rate at which a chemical substance appears. If you want to start doing an Answer Key too! Later, one piece of rock is dropped from different heights and hole made measured. Call down to your partner when you're going to drop the ball and let them use the timer. Some of them should be addressed in your lab report. These results are shown in the table below. 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. Fill close to the 0 mL line but not higher, or you will not be able to measure volume accurately. Course Hero is not sponsored or endorsed by any college or university. One atom borrows one or more electrons from another atom. If you want the answer key, you can dm me or you can comment so it'll get more people to see it. Aqueous solutions are solutions that water is solvent. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. B. sample. The equation for GPE is mass multiplied by acceleration due to gravity, multiplied by height: Acceleration due to gravity is always 9.8m/s2; however, it is acceptable to round this to 10m/s2 for easier calculating. If there is a difference, distinguish between what happens . Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of SOLUTION: Kinetic Energy Student Guide Lab Report - Studypool
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