lab kinetic energy assignment lab report edgenuity answer key10 marca 2023
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. 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. information about whether it 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. d. Place the cups under the heat lamp(s). Record your time in your data table in seconds. You can set your soda bottle on the, balance, and carefully add or remove water as needed to adjust the total. Some of them should be addressed in your lab report. At the maximum height, __, the object's GPE will be a maximum. sample. SAMPLE LAB REPORT SCI141: Biology Sections Introduction All cells are bound by a functional cell membrane. F"361:~Sx~(1 3a1Hf!&%d~~Iy9ed*0|bc_.Q|Akh'Se& fOr)/x These sensors were attached to a computer, which was running the Logger, program, through a Vernier computer interface. It should be least 4 meters so that you can measure the time easily. Energy is never created or destroyed, only converted between forms - this is known as the law of conservation of energy. Make sure you record the mass in kilograms in your notebook. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. endstream endobj 500 0 obj <>stream <>>> On the Logger. 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. E. PART II: Examining the Effect of Material Type on Thermal Energy Transfer and Specific Heat In explosions the kinetic energy increased greatly after the explosion occurred. 1. these samples. Overall the total energy (kinetic plus potential) is conserved. Not because your TA says to do so, but because it adds depth to your discussion. xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy kinetic energy to object 2. In elastic collisions the objects that collide do not stick together, and both continue on with new velocities after the collision. This taught the very important concept of the conservation of momentum. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. bundle of steel wire. To determine whether the height at which a marble is dropped affect the size of the crater. The goal of the experiment was to identify the gravitational acceleration from the recorded distance(cm) vs time(sec) data of a fallen object. This is because of the law of conservation of momentum. H. Assemble a coffee cup calorimeter. This would force the carts to repel each other and not stick together during collision. This increase can be explained by the fact that the potential energy of the spring, that was holding the plunger back, was transferred to kinetic energy as the plunger was released. %PDF-1.5 When does the ball have the most kinetic energy? slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. 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. hd One cart was a standard cart with a rod on top. Visit EdgePlus+ for a purchase key. Repeat the process of data collection at least 5 times and take the average. There were no controlled variables used in this experiment. D is a herbivore or a carnivore. in comparison to white Americans? 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 You'll be measuring the GPE of a ball 4 meters off of the ground and comparing it to the measured KE right before it hits the ground. Enjoy!! Conservation of Energy- lab handout. The kinetic energy before and after the system was then computed using the following equation. - Treatment, Effects & Withdrawal Symptoms, What Is Nicotine? 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 (_________). 2. (b) The balls will move to the left because p2>p1p_2>p_1p2>p1 before the collision. stream This could have caused the velocities to be slower than they should have been because there was a velocity due to the friction. 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. The first step was to graph the distance-time graph from the data collected. They are things for you to think about. Introduce the eight PH indicator strips in the eight . The standard cart was pushed towards the plunger cart, which was at rest. G. Establish an initial temperature of the metal samples. 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. 2. b. Additionally the lab taught how to properly work with carts on a Dynamic Track. I. This is a valuable physics lab skill. In the presence of _____________ forces (like friction), the total mechanical energy is not conserved. 2. 3. an object in motion Kinetic object Fill close to the 0 mL line but not higher, or you will not be able to measure volume accurately. So, now that it's made, I hope it helps a lot of people to get work done especially if they're really behind! then place a thermometer in each cup and observe the readings until they do not climb The sums of the multiples of each balls mass and velocity before and after the collision should be equal as is shown in the above equation for the conservation of momentum. Start a timer or note the time on a clock. Since it's still and high up, the object only has GPE. a. Joule (J) 5. compact mass. 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. and the calorimeter water. The fact that the kinetic energy ratio was very close to one shows that the kinetic energy is conserved in elastic collisions. . 2. At the level of reference the potential energy is considered ___________. Practice dropping the soda bottle so that the bean bag pops up straight and, can have its height measure with the meter sticks. a. 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. I feel like its a lifeline. Record this initial temperature for the three metal samples in Table B. This project will prove for once and for all if basketballs bounce higher with or without helium. In conclusion a basketball may look sample but its is very complex and can be very hard to manage. The hole each rock made is measured for its depth. Energy is transferred through vibrating particles of . 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. Acceleration is an objects increase in velocity. What are the units for potential energy? endobj Coil the wire 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 volume is determined by measuring with a ruler and by water displacement. b. 5. For instructions on how to get a purchase key and activate your EdgyBot, visit Visual Instructions Steps for use: Install this script using tampermonkey. 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. Steps. The purpose of this lab is to test substances and to determine the physical and chemical properties of substances. Med Surg 2 Study Guide Answer Key; 324069444 Introduction to Mastering Chemistry; Tina jones comprehensive; Pattern Matching - Answer KEY; Ch 2 Assignment; Summary Give Me Liberty! Record this velocity for each mass in Table A, and use it to calculate, the predicted kinetic energy of the soda bottle for the masses using the, Review the following relationship for mass and volume of water: 1mL = 0.001. kg; this means that 200mL of water has a mass of .2kg. - m is the mass '%30r85. As the data is representative of a graphical parabola, a parabolic function was utilized to be the best fit trendline. 3. m 1 < m 2 If m 1 < m 2, then v 1f < 0, which is to say that object 1 reverses direction. Two carts, that had already been weighed, were placed in the track. We interpret the = sign to mean that the gravitational potential energy of the ball before it fell was converted into an exactly . of tape at these points to serve as targets. Using the kinetic energy equation. The conservation of momentum is a very important concept in physics. The cue ball strikes the billiards ball and loses velocity after the collision occurs and the billiards ball gains velocity after the collision. A rescue diver of mass 89 kg jumps from a hovering helicopter into the ocean 20 meters below. 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. descriptions of the heat gained by water, wet sand, and dry sand that you have made by You always get 8 slices, but some of those slices might be cheese, while others might be pepperoni. 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. Theology - yea Now find KE. 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. This would force the carts to stick together after collision. lab notebook. Place the calorimeter (no lid) on the balance and tare the balance. Additionally it showed that kinetic energy is only conserved in elastic collisions. The final condition tested was explosions. Place the pH probe in the beaker and record the pH in the data table. Textbook questions 4 and 5 of "Practice Problems," p. 179 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. 498 0 obj <>stream Learn about conservation of energy with a skater gal! If needed, place the calorimeter into a beaker or other secondary container to prevent wobbling. (c) The balls will move to the right because v1>v2v_1>v_2v1>v2 before the collision. You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground. (2015,[online]). Place the strainer and lead in the hot water bath. Dry Sand However, the analysis of kinetic energies proved that kinetic energy is not always conserved. The Logger Proprogram was set up so that it would collect the Gate Time from each Photogate sensor. b. Swirl the thermometer slightly, and confirm that the thermometer is well within the water. - Facts, Addiction & Withdrawal Symptoms, What Is Zinc? Other researches had similar data but were never exactly the same. In this lab, we'll be studying the principle of conservation of energy. 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. Vocabulary Words . She is also certified in secondary special education, biology, and physics in Massachusetts. 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. Justify the hypothesis from a chemical standpoint. next 5 minutes, while you prepare the calorimeter in the next steps. Step 1: Gather materials. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. d. Remove the aluminum wire sample and empty the calorimeter. WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. kinetic energy using a lab to visualize the effects of each. Place an empty trimmed cup on the mass This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. In this lab it was found that momentum was conserved in each of the situations above. Next, we need to do some calculations to find GPE and KE. 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. This button released the plunger, and propelled both carts down the track in opposite directions. m = 150kg . Every radioactive element has a different halflife. In this experiment we will prove the conservation of energy by observing the interplay between kinetic and gravitational potential energy. The final condition tested was explosions. Cookie Notice The nonconservative work is the _________________________, Conservation of change in kinetic energy formula, Lab 9: Centripetal Force & Rotational Dynamics, Mathematical Methods in the Physical Sciences. They were joined together by the Velcro, and the plunger was pushed into the plunger cart. a. h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o 1. Get your timer ready and prepare to drop the ball. Lab: Kinetic Energy Assignment: Lab Report 1 See answer Advertisement zlskfrum Answer: Explanation: In this lab, two pieces of rock, one big one small, are dropped from the same height onto mud. Energy that exists by virtue of an object's motion is called the Kinetic Energy. 4. Apply the properties of kinetic and potential energy. What is your hypothesis (or hypotheses) for this experiment? As the height _________ the GPE will decrease while its kinetic energy increases. Kinetic Energy Lab Report Edgenuity Answers. if the water bath is boiling. upright near the end of the lever, maybe taped against a wall. 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. The hypothesis that if it the ball was dropped from a higher drop points, it would have a greater bounce height was supported. 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. dumping the sample into the calorimeter. The energy of a moving object is called kinetic energy. The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. Drag the beaker to the red disposal bucket. Double-click the bottle of NaHCO3 to move it to the Stockroom counter. % However, when the group was compared to other groups conducting the same experiment, the displacement of their marshmallow was the shortest. Lab: Kinetic Energy Assignment: Lab Report Instructions Click the links to open the resources below. The percent difference was calculated using the following formula. The standard. Momentum cannot be lost in a collision. 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. While the slope of the linear trend line was 4084.798, the actual mass of the van and Mr. Simmons combined was 2450 kg. This cart also had a rod to assist in readings. When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Key points: When you leave the EdgyBot to do work by itself, you need to stay on the same tab. a. Ensure the cap is tight. 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. This would give the velocity of each cart. This would force the carts to stick together after collision. The purpose of this experiment is to see how height affects distance and to see how adding additional height affects the distance that the ball travels. Then push the duck so it is compressed and is going to launch horizontally . 13 chapters | When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. So why would KE and GPE be different? 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. Kinetic Energy Lab Report Speed, height, and mass do affect kinetic energy. " In a Dichotomous key each step has two . The raw data for the inelastic collisions is shown below. After the lab was over this data was analyzed using the equations above to give the following values. CLEANUP : Leave the test tube with wax stuck in it in the lab station. a. A. As usual, you should refer to, 1. 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. These sensors were attached to a computer, which was running the Logger Proprogram, through a Vernier computer interface. Seminar assignments - Problem set 1 - 13 including answers; College communication worksheet Baker,L; PHYS221 Lab Report Template 4 - Coefficient of Friction; PHYS207 Lab Report Template 2 - Vectors; PHYS207 Lab Report Template 8 - Harmonic Oscillation and the Physical Pendulum; PHYS207 Lab Report Template 1 - One Dimensional Kinematics 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. touching the materials to assess their thermal energy. Measure out 500 mL of tap water in the 1 L beaker and bring it to a boil using a hot plate The kinetic energy before and after the system was then computed using the above kinetic energy equation. Close the lid snugly and make sure the thermometer is immersed In each calculation below the initial momentum is calculated using the following formula. 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. Ionic bonds form their bond when opposite charged ions in a chemical compound have an electrostatic attraction. Set up samples to examine thermal energy transfer with varying material and mass. To begin the lab a Vernier Dynamic Track was set up and leveled on a table. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Therefor inelastic collisions can be defined as collisions in which kinetic energy is not conserved. -- the products are at a lower free energy, or more stable, than the reactants. with 300 mL of room temperature, add water to the calorimeter until you read 300 g of Were the values for KE and GPE the same? circle, each equidistant from the lamp. Instead, it changes from one form of energy to another. lab kinetic energy edgenuity answers. KE = mv2 2 KE = 500J m = ? This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. Describe the three different types of bonds, providing examples of molecules formed through each type of bond. Even thought Ionic bonds still hold molecules together, they are weaker than covalent. 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. Lab Handout Lab 13. Think about what you already know about energy. 3. (3 points) Covalent bond, methane. circle one temperature. All objects have momentum, even if it is zero, and momentum cannot be lost. 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? Two clay balls are moving toward each other. Call down to your partner when you're going to drop the ball and let them use the timer. The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in inelastic collisions. One atom borrows one or more electrons from another atom. As the height decreases the GPE will ________ while its kinetic energy increases. Data are reasonably accurate. If there is a difference, distinguish between what happens . u=MF)1\?Nt5hfw!wt{w{ry5Z~sMezs,'wMp+`$71MA. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. The standard cart moved to a velocity of zero and was still. Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, Which answer correctly explains how the balls will move after a totally inelastic collision? Dm is preferable! This equation can become a powerful tool when analyzing all types of collisions.
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