Place an empty trimmed cup on the mass balance 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. Record these guesses in Table A. kinetic energy to object 2. Additionally, the lab taught how to complete momentum calculations, and the law of conservation of momentum. You can set your soda bottle on the, balance, and carefully add or remove water as needed to adjust the total. Time can vary slightly as needed to In the presence of nonconservative forces (like __________), the total mechanical energy is not conserved. Explain your answers. Data: m = kg Fave = N x (m )v /s Wo rk JKE % Dif enc Scoring Rubric: E6. 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. Relationship between initial and final velocities in an elastic collision . The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. a. Repeat Step 3a for the 200 g samples. (3 points) Covalent bond, methane. Step 1: Gather materials. Measure the mass of your ball on the balance. Accuracy is how close the average of the measured values are to the actual value. F"361:~Sx~(1 3a1Hf!&%d~~Iy9ed*0|bc_.Q|Akh'Se& fOr)/x The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. This was calculated using the following formula. When these ion separate, its called dissociation. These results are shown in the table below. endobj d. Place the cups under the heat lamp(s). There are multiple possible sources of error in this experiment. In the limit that m 2 m 1!1, v 1f! Each chemical compounds has a certain percentage of ionic character in its bonds and the remaining percentage as covalent bonds. I have a template, that is simple and clear to understand. 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. Record the equilibrium temperature in Table B. We'll use a ball to measure potential energy and kinetic energy and examine how the energy is converted from one form to another as the ball falls from a high place. What is the force required to bring the aircraft to a. A 50 kg person falling at 10 m/s would have kinetic energy. L. Learn about conservation of energy with a skater gal! Build your own tracks, ramps, and jumps for the skater. If students have difficulties differentiating the characteristics associated with covalent and ionic bonding, they will suffer with future topics and other branches of chemistry. The cue ball strikes the billiards ball and loses velocity after the collision occurs and the billiards ball gains velocity after the collision. 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 carts were placed on the track so that the magnet containing ends of the carts were facing each other. This could have caused the velocities to be slower than they should have been because there was a velocity due to the friction. Which samples will heat up faster? Get Energy Forms And Changes Lab Answer Key Pdf 2020-2023 - US Legal Forms. To unlock this lesson you must be a Study.com Member. 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. edgenuity answer key r edgenuity reddit . Make sure you record the mass in kilograms in your notebook. h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. The kinetic energy before and after the system was then computed using the following equation. 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. Kinetic energy (KE), the energy of movement, and gravitational potential energy (GPE), or stored energy due to height. A rod was used to push down the button on top of the plunger cart. The Logger. b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. Consider the circuit in the diagram. 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. Current I1=2.50AI_1=2.50 \mathrm{~A}I1=2.50A. Energy is transferred through vibrating particles of . The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. What is your hypothesis (or hypotheses) for this experiment? d. Remove the aluminum wire sample and empty the calorimeter. Energy that exists by virtue of an object's motion is called the Kinetic Energy. F. Be sure to wear protective gloves when handling all metal samples! mass. complete other steps of the lab. a. Joule (J) 4. Once you have created your file(s) and are, An aircraft weighing 18785 N returns to the aircraft carrier and lands. 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. At the maximum height h, the object's GPE will be a _______. b. Objectives (3): - Explore the relationship between kinetic and gravitational energies - Analyze the importance of kinetic energy in falling objects. 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: Precision is the closeness of repeated measurements. SAMPLE LAB REPORT SCI141: Biology Sections Introduction All cells are bound by a functional cell membrane. 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. 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. 1. Ionic bonds are formed between a metal and a non-metal. These results are shown in the table below. Then remove the .75m desk and place it on the ground. 6. Concluding that in my Game 1 the velocity of the masses of the bowling balls decreased when the bowling balls were heavier and that the kinetic energy was lower as the mass increased in the bowling balls. kinetic energy using a lab to visualize the effects of each. B. The standard cart was pushed towards the plunger cart, which was at rest. As the data is representative of a graphical parabola, a parabolic function was utilized to be the best fit trendline. 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. In this lab, we'll be studying the principle of conservation of energy. - g is gravity (not to be associated with the acceleration due to gravity because g is a scalar) endstream endobj 499 0 obj <>stream The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. The standard cart moved to a velocity of zero and was still. 3 0 obj 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. When collisions occur, two properties of the colliding bodies are changed or transferred: their Energy and Momentum. Later, one piece of rock is dropped from different heights and hole made measured. If you have access to a supervised laboratory, do Part A. So, multiply your value for height, the mass of the ball, and 10m/s2 to get GPE. To answer this question, you really have to think about the moving atoms and molecules as having energy. 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. - 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). 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. kinetic energy lab questions. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer of tape at these points to serve as targets. 2. endobj and securely tape the cylinder to the board with the packing tape. Go to pages 5 to 7 of Assignment Booklet 2B and answer questions 10 to 15. Assume that the velocity of the soda bottle falling from a height of 0.8 m will, be 4 m/s. rate of fall of an object was determined by its weight held that matter was constructed out. Suggested Answers 1. Vocabulary Words . We used the equation Y=mx+b, in order to compare the velocity of each trial by comparing the slope and the y-intercept. When does the ball have the most kinetic energy? Now find KE. energy in the earth system part 1 unit 4 heat and. QUESTION: How do mass and the type of material affect thermal energy transfer? Enrolling in a course lets you earn progress by passing quizzes and exams. We can say that one form of energy (________) is converted in another form of energy (kinetic energy), We can say that one form of energy (potential energy) is converted in another form of energy (_________). The cell membrane functions to protect a cell and to regulate the movement of molecules and ions into and out of cells. in comparison to white Americans? Think about what you already know about energy. Measure 200 mL of water with the graduated cylinder and transfer it to an. 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. Also make a hypothesis about which type of material will heat up the fastest. The raw data readings for the elastic collisions are shown below. Justify the hypothesis from a chemical standpoint. Therefor all the momentum from the object that is initially moving will be transferred to the other object. 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. The word dichotomous comes from two Greek words that translate to "divided in two parts. an object in motion Kinetic object circle one This would force the carts to stick together after collision. The first step was to graph the distance-time graph from the data collected. The next condition tested was inelastic collisions. Not because your TA says to do so, but because it adds depth to your discussion. Heat Transfer - The movement of thermal energy from one object to another of a different temperature. Which answer correctly explains how the balls will move after a totally inelastic collision? program. '%30r85. -- the products are at a lower free energy, or more stable, than the reactants. In explosions the kinetic energy increased greatly after the explosion occurred. c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more c) Put a clean, dry stir bar inside a clean, dry 50 mL Erlenmeyer flask. Wet sand 100 20 53 33. One cart was a standard cart with a rod on top. They should start immediately when you drop it and stop it exactly when it hits the ground. 3. These values were recorded, and the procedure was repeated two more times for a total of three readings. The analysis of the results of this experiment shows that momentum was conserved in all types of collisions. We traded experiments and materials with another group, so each group got a chance to watch an unbiased group perform their experiment. Repeat Steps 68d for the sample. Record your time in your data table in seconds. Data section includes the provided table. 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. stream At the level of reference the potential energy is considered ___________. The Logger Proprogram was set up so that it would collect the Gate Time from each Photogate sensor. 3. You wouldn't be wrong, but every object, moving or stationary, has energy. The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. In inelastic collisions the objects stick together after they collide. 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. Newton's second law says: Force equals mass times acceleration (F= m x a). The volume is determined by measuring with a ruler and by water displacement. The conservation of the energy is happening in the presence of conservative forces like gravitational forces or the _____________. I will add credit to the file and on this post. Why or why not. What is the Kinetic Energy of a 150 kg object that is moving with a speed of 15 m/s? In this condition the two carts were placed together in the center if the Photogate Sensors. If your time is greater than it's supposed to be, your results won't make sense. Ensure the cap is tight. On the Logger. A 50 kg ball traveling at 20 m/s would have kinetic energy. Some of them should be addressed in your lab report. and the calorimeter water. %PDF-1.5 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. Next, we need to do some calculations to find GPE and KE. Attached to the track were two Photogate sensors. Another type of energy that we will study is called, gravitational potential energy (GPE) formula. The Photogate sensors were used to measure the velocity of each cart as it moved from the explosion site. In this lab we will use kinetic energy to find how much ___________ an object has. Whenever an object moves, some energy is converted to heat through friction. In physics momentum is always conserved. However, the analysis of kinetic energies proved that kinetic energy is not always conserved. After ionic substances dissolve in water, ions separate and become surrounded by water molecules. Using your data in Table B, calculate Twater and Tmetal , using Teq and Ti for each metal All objects have momentum, even if it is zero, and momentum cannot be lost. Introduction: Chemical reactions are dependent upon two factors: temperature and concentrations of substance. 498 0 obj <>stream Ionic bonding is a type of chemical bond formed between two ions with opposite charges. This experiment will be exploring, in depth, Newton's second law. This project will prove for once and for all if basketballs bounce higher with or without helium. This button released the plunger, and propelled both carts down the track in opposite directions. 4. Think of total energy like a pizza. So, now that it's made, I hope it helps a lot of people to get work done especially if they're really behind! Its like a teacher waved a magic wand and did the work for me. You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground. Visit EdgePlus+ for a purchase key. 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. One atom borrows one or more electrons from another atom. The goal of the experiment was to identify the gravitational acceleration from the recorded distance(cm) vs time(sec) data of a fallen object. 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. Energy is never created or destroyed, only converted between forms - this is known as the law of conservation of energy. This is a valuable physics lab skill. ANSWER KEY . If using one heat lamp, put the six cups in a tight - m is the mass Typically an ionic bond occurs between one metal and one non-metal ion. the samples set for approximately 25 minutes. These values were recorded, and the procedure was repeated two additional times for a total of three readings. A practices intracellular or extracellular digestion. These resources will help you complete the assignment. Data are reasonably accurate. These resources will help you complete the assignment. - Treatment, Effects & Withdrawal Symptoms, What Is Nicotine? Reddit and its partners use cookies and similar technologies to provide you with a better experience. However, when the group was compared to other groups conducting the same experiment, the displacement of their marshmallow was the shortest. Understand the role of the mass in a conservation of energy situation. introduction this section should provide This would give the velocity of each cart. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. These results are shown in the table below. The percent difference was calculated using the following formula. 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. 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. 100 g (least massive) I've been adding the answer key to my World History and Biology course. web feb 7 2023 edgenuity chemistry lab report answers title the title should be concise and clearly describe the purpose of the experiment. As the height decreases the GPE will ________ while its kinetic energy increases. lab kinetic energy edgenuity answers. energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. <>>> Measure the height from which you'll be dropping your tennis ball. 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 experiment was executed by dropping three different balls of different masses at 100, 75, 50, and 25 centimeters. What are the units for kinetic energy? b. To determine whether the height at which a marble is dropped affect the size of the crater. The carts were placed on the track so that the Velcro side of each cart was facing the other. and our Examining the teeth of an animal can give 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. xnd r `v^5CHQTuUs3$"@NlvU|ss?t%DnVRB\V?D?vXo"Kb-dYoLD7ee~QNm4V]K = w]SYx,yR"LT5IF}D7UGZM]|hSaZma zmQG_U8H#"hP NwZGjvm2_'iT0jU!nehu#K"BF(C9B:6^fiO-ZzVCW^DF;l*=)q`D-ef1FG2LmQ}WBzP+/]3G^5LL2 m)f3d#Xa. $w|ufkcH2n&t&a/ugRVx\!K'h"JpLl8TL*{[;44,raD$;KI8=Hv8}0mIk|pHZ]$;qYV`z|P%;p2MUrn^Cw&5ZORZ%mqj*Bk>K"*;K4 E,~#|4 tfgZdzrW$2d\X-KycA*H=`Fho*=ct) 5:Gq7:uXvyw(Sp)T.$;-Q-9LFCZYnl,F9.H"}/wQt#81K~JZcw All other trademarks and copyrights are the property of their respective owners. : 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. 2. Explain your reasoning: Which samples will heat up faster? This rod would be used to break the photon beam in the Photogate sensor, and send a signal to the computer. These values were recorded, and the procedure was repeated five additional times for a total of six readings. 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. Place an empty trimmed cup on the mass empty 1L soda bottle, using the funnel if needed. Dm is preferable! This means that. 13 chapters | (a) The balls will not move because K1=K2K_1=K_2K1=K2 before the collision. Measure out approximately 50 g of aluminum wire using a mass balance. Dry sand 200 19 40 21. Were the values for KE and GPE the same? The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. . The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. The Great Depression and the New Deal How did the New Deal affect minorities in the United States (African Americans, Hispanics, etc.) Open Edgenuity and enter the purchase key. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. (d) We cannot predict how the balls will move after the collision. This cart also had a rod to assist in readings. the total energy in the system will not change. As usual, you should refer to, 1. % I made this because I was having to do all the research and I would've loved it, if someone had already done this. Endnotes: Step 2: Note State and Appearance. b. Swirl the thermometer slightly, and confirm that the thermometer is well within the water. This friction converts some of the energy of the ball into heat, making the value measured for KE less than expected. Measure out 500 mL of tap water in the 1 L beaker and bring it to a boil using a hot plate slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. The Photogate sensors were used to measure the velocity of each cart as it moved from the explosion site. For more information, please see our This change of energy is known as the. f. Allow the metal samples to reach thermal equilibrium with the boiling water over the 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. The final condition tested was explosions. Draw a circle, an X, or place a piece. 3 0 obj In the presence of nonconservative forces (like friction), the _____________ is not conserved. Kinematics requires the understanding of how objects move vertically and horizontally. Ionic bonds form their bond when opposite charged ions in a chemical compound have an electrostatic attraction. As the height decreases the GPE will decrease while its kinetic energy ____________. Additionally, the lab will teach how to properly use Dynamic Tracks, which will be a valuable lab skill in the future. }0@d*>@%-B(B[Q>ND)]Ey%"IV*[]OHqWfjr7fzOSx Use the graph to answer question 2-3. Overall the total energy (_____________) is conserved. If needed, place the calorimeter into a beaker or other secondary container to prevent wobbling. It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. Repeat step 2 three times and average the times together. No items have been added yet! We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). This would give the velocity of each cart. At the __________ the potential energy is considered equal. program. All objects have momentum, even if it is zero, and momentum cannot be lost. I feel like its a lifeline. a. Joule (J) 5. I. 5. pellets, and briefly allow the excess water to drain from the pellets and strainer before (Read Section 7 -3 for a thorough explanation of the W ork-Kinetic Energy Theorem.) for the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. In class we learned about the principles of acceleration, time, and velocity. The analysis of these values showed that momentum is conserved in all collisions. Click the Get form key to open the document and move to editing. 10 mL graduated cylinder - 2 g sodium chloride spoon - 2 g sodium bicarbonate conductivity apparatus distilled water in a wash bottle. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. If needed, place the We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Amanda has taught high school science for over 10 years. 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 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. any higher. %PDF-1.5 Lab Handout Lab 13. information about whether it These sensors were attached to a computer, which was running the Logger Proprogram, through a Vernier computer interface. Physics lab report 1 measurements; Thermal LAB Energy LAB Report; Doppler Shift SE Answers; 4.1.3f Does Light Angle Matter Gizmo Student Exploration Answer Key; Copy of Vectors SE - Gizmo for Feed the Monkey student exploration explore Learning for Physics Honors; Physics 4C Homework - 212; Kami Export - Gatsby Valleyof Ashes; Kami Export . Trim three more foam cups to half size. d. Repeat Steps 4bc for 50 g of the steel wire. At the maximum height, __, the object's GPE will be a maximum. Kinetic factor refers to DGa, activation energy; while the thermodynamic factor refers to DG =G 2-G 1, the driving force. What is its volume at s.t.p.? 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). At the maximum height h, the object's _____ will be a maximum. These calculations illustrated the nature of momentum, and showed that momentum is always conserved. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. 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? Inquiry Lab Kinetic Energy and Motion Read the entire activity on pages 180 and 181 of the textbook. This is the lab data explained. 2. Describe the three different types of bonds, providing examples of molecules formed through each type of bond. Repeat Steps 68d for the lead There are four equations that can be used in both one-dimensional kinematics and two-dimensional kinematics. Share this Reddit Posts to your friends if they got Edgenuity, too. 3. circle, each equidistant from the lamp. Place a beanbag so it is centered on one end of the board at the target. There were no controlled variables used in this experiment. These values were recorded, and the procedure was repeated five additional times for a total of six readings. Repeat the process of data collection at least 5 times and take the average. Apply the properties of kinetic and potential energy. In this lab it was found that momentum was conserved in each of the situations above. a. Today, we're going to see how this plays out in the real world. These equations are as follows: The purpose of this lab was to test the relationship between velocity, position and time. If there is a difference, distinguish between what happens . After the time has elapsed, record the actual elapsed time in the Tfinal column in Table A. Introduce the eight PH indicator strips in the eight . <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The most major of these is deceleration due to the force of friction. a. Set up samples to examine thermal energy transfer with varying material and mass.