lab kinetic energy assignment lab report edgenuity answer key

1. Apply the properties of kinetic and potential energy. Dry sand 200 19 40 21. Collisions occur when two or more objects collide, and can be either elastic, or inelastic. program. Time can vary slightly as needed to Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. Aqueous solutions are solutions that water is solvent. The purpose of this lab is to explore the relationship between mass, speed, and. copyright 2003-2023 Study.com. This cart also had a rod to assist in readings. Next, we need to do some calculations to find GPE and KE. These calculations illustrated the nature of momentum, and showed that momentum is always conserved. Energy that exists by virtue of an object's motion is called the Kinetic Energy. L. 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. Allow the temperature to stabilize, and record this initial temperature to the nearest 0.1C in 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 final condition tested was explosions. The standard. There were no controlled variables used in this experiment. The values of the velocities were shown on the Logger Proprogram. (a) The balls will not move because K1=K2K_1=K_2K1=K2 before the collision. Place an empty trimmed cup on the mass balance fastest. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). <>>> 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. So, now that it's made, I hope it helps a lot of people to get work done especially if they're really behind! circle, each equidistant from the lamp. Momentum (p) can be calculated by multiplying mass (m) by velocity (v) in the following equation. Let's start with GPE. Student Guide (continued) a) Place the lid on the calorimeter, and insert the thermometer. We wrote down our data to prove that speed, height, and mass affect kinetic energy. You're probably considering the lights in your home or maybe the fuel you need to run a race. All rights reserved. - Uses, Types, Examples & Side Effects, What Is Methadone? 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. slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. Also! program. In class we learned about the principles of acceleration, time, and velocity. The Logger Proprogram was set up so that it would collect the Gate Time from each Photogate sensor. The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. = Therefor inelastic collisions can be defined as collisions in which kinetic energy is not conserved. Velocity is how, The purpose of the experiment was to use previous knowledge of velocity yo perform kinetic energy calculations, make calculations of gravitational potential energy, and to determine what affects GPE and KE more. b. 3. m 1 < m 2 If m 1 < m 2, then v 1f < 0, which is to say that object 1 reverses direction. This rod would be used to break the photon beam in the Photogate sensor, and send a signal to the computer. 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. In this experiment, we will collect data on velocity, speed, and time. At the maximum height h, the object's _____ will be a maximum. 5. Place the strainer and lead in the hot water bath. Two clay balls are moving toward each other. compact mass. 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. At the level of reference the potential energy is considered ___________. 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. Another type of energy that we will study is called, gravitational potential energy (GPE) formula. If the cart maintains at a constant speed, then the cart will have an increase in acceleration. 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. releases or absorbs thermal energy by chemical processes. of wire and water reach an equilibrium temperature (the water temperature stops As the height _________ the GPE will decrease while its kinetic energy increases. These ions attract each other and create an ionic bond. 4 times more 4 times less This taught the very important concept of the conservation of momentum. mass. I feel like its a lifeline. cup, allow the reading to stabilize. 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. When does the ball have the most kinetic energy? touching the materials to assess their thermal energy. The first condition tested was elastic collisions. Using your data in Table B, calculate Twater and Tmetal , using Teq and Ti for each metal c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more The temperature of the metals should have reached the same - 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. a. Repeat Step 3a for the 200 g samples. You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground. Lab report law of conservation of energy states that the total energy of the system remains same, and energy cannot be created or diminish, it can just. Where: Acids and bases are carefully regulated in the body by the lungs, blood, and kidneys through equilibrium processes. and the calorimeter water. All objects have momentum, even if it is zero, and momentum cannot be lost. The slight discrepancies in the values of initial and final momentum can be explained by some sources of error. Think about what you already know about energy. They have opposite properties and have the ability to cancel or neutralize each other. }0@d*>@%-B(B[Q>ND)]Ey%"IV*[]OHqWfjr7fzOSx 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. of tape at these points to serve as targets. Ionic bonds form their bond when opposite charged ions in a chemical compound have an electrostatic attraction. balance and tare for zero. 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. Explain your reasoning: Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, for the other two cups, filling one with 200 g o, other two cups, filling one with 100 g of wet sand a, the samples set for approximately 25 minutes, touching the materials to assess their the, Civilization and its Discontents (Sigmund Freud), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. One cart was a standard cart with a rod on top. If you want to start doing an Answer Key too! The ratio of the final momentum to the initial momentum was calculated for all conditions except the explosion. Also make a hypothesis about which type of material will heat up the fastest. Even thought Ionic bonds still hold molecules together, they are weaker than covalent. % Market-Research - A market research for Lemon Juice and Shake. Ionic bonding is a type of chemical bond formed between two ions with opposite charges. In this lab we will use kinetic energy to find how much ___________ an object has. f. Make a hypothesis about which set of sample mass, the 200 g or 100 g, will heat up the Then you can change the height of by adding a .75m desk on top of the .95m table. 2 0 obj Kinetic energy (KE), the energy of movement, and gravitational potential energy (GPE), or stored energy due to height. Introduce the eight PH indicator strips in the eight . 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. The nonconservative work is the _________________________, Conservation of change in kinetic energy formula, Lab 9: Centripetal Force & Rotational Dynamics, Mathematical Methods in the Physical Sciences. A. % What was determined to be true was that the structure that contained the right configuration in producing a high amount of force proved to have the greater amount of displacement of the marshmallow. The energy stored in an object while at rest in a gravitational field. 100 g (least massive) a. 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. ;18:/*wT$, in Table B. Create an account to start this course today. Find the values of (a) I2I_2I2, (b) I3I_3I3, and (c) R3R_3R3. Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of Kinetic Energy Lab Report Edgenuity Answers. If you measure it in grams, simply divide the number by 1000 to get kilograms . Using a 500 mL beaker When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. Additionally the lab taught how to properly work with carts on a Dynamic Track. - Benefits, Foods & Deficiency Symptoms, Working Scholars Bringing Tuition-Free College to the Community, Investigate conservation of energy through measuring potential and kinetic energy. In conclusion a basketball may look sample but its is very complex and can be very hard to manage. C is a nutritional symbiont. A 50 kg ball traveling at 20 m/s would have kinetic energy. Call down to your partner when you're going to drop the ball and let them use the timer. Energy can be converted from one form to another (potential energy can be converted to kinetic energy) but the total energy within the domain remains fixed. 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. On the Logger. next 5 minutes, while you prepare the calorimeter in the next steps. Lab Procedure. Momentum (, ) can be calculated by multiplying mass (, To begin the lab a Vernier Dynamic Track was set up and leveled on a table. endstream endobj 500 0 obj <>stream Suggested Answers 1. She is also certified in secondary special education, biology, and physics in Massachusetts. the total energy in the system will not change. Explain your answers. Lay the board on its midpoint across the 2 diameter cylinder. 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. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. d. Remove the aluminum wire sample and empty the calorimeter. h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o Ionic bonds are formed between a metal and a non-metal. At the ___________ h, the object's GPE will be a maximum. kinetic energy lab questions. Record this initial temperature for the three metal samples in Table B. a. The purpose of the experiment was to find the effect of a balls drop height on its return bounce height. This is a valuable physics lab skill. Overall the __________ (kinetic plus potential) is conserved. After the lab was over this data was analyzed using the equations above to give the following values. Coil the wire The standard cart moved to a velocity of zero and was still. El restaurante Dalia: Dnde (cenar / contestar) enter answer t y Daniel anoche? 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! Go to pages 5 to 7 of Assignment Booklet 2B and answer questions 10 to 15. Share this Reddit Posts to your friends if they got Edgenuity, too. . complete other steps of the lab. Data section includes the provided table. This includes knowing the displacement, velocity, and acceleration of objects. Amanda has taught high school science for over 10 years. As well as identify how accelerations affects an object's velocity and time. Half-Life Data-Teacher Answer Key 1.Hypothesize what halflifeis: Halflife is the amount of time it takes for approximately half of the radioactive atoms in a sample to decay intoa more stable form. If students have difficulties differentiating the characteristics associated with covalent and ionic bonding, they will suffer with future topics and other branches of chemistry. Accuracy is how close the average of the measured values are to the actual value. Anything that has mass and is moving, like a train, a moving ball, or an atom has a certain amount of energy. Repeat Steps 68d for the I recommend using this template. What is its volume at s.t.p.? place the pellets in the strainer. This proved that momentum is in fact conserved. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. endobj What was determined to be true was that the potential energy was larger than the kinetic. In elastic collisions the objects that collide do not stick together, and both continue on with new velocities after the collision. Because the percent differences were relatively close to zero the momentum of the system was conserved. increasing). Using the kinetic energy equation. The values of the velocities were shown on the Logger. The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. Covalent bonding is a root within Organic and Biochemistry that needs to be understood in order to fully understand the theories and concepts discussed in both forms of chemistry. 3. I've been adding the answer key to my World History and Biology course. The _____________________ is the change in mechanical energy, In the presence of nonconservative forces (like friction), the total mechanical energy is not conserved. Water 200 20 30 9. Vocabulary Words . In our lab work, we had to do multiple tests by dropping a can onto a clay ball. 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. The experiment was executed by dropping three different balls of different masses at 100, 75, 50, and 25 centimeters. does not begin to cool. Kinetic factor refers to DGa, activation energy; while the thermodynamic factor refers to DG =G 2-G 1, the driving force. They should start immediately when you drop it and stop it exactly when it hits the ground. At the maximum height h, the object's GPE will be a _______. H. Assemble a coffee cup calorimeter. Kinematics requires the understanding of how objects move vertically and horizontally. energy in the earth system part 1 unit 4 heat and. 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 (_________). This would force the carts to repel each other and not stick together during collision. So why would KE and GPE be different? I'm remaking this, so it'll be more coherent. Measure the mass of your ball on the balance. The cue ball strikes the billiards ball and loses velocity after the collision occurs and the billiards ball gains velocity after the collision. We can monitor the rate at which a chemical decomposes or the rate at which a chemical substance appears. empty 1L soda bottle, using the funnel if needed. When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. Current I1=2.50AI_1=2.50 \mathrm{~A}I1=2.50A. 1. The word dichotomous comes from two Greek words that translate to "divided in two parts. ***Repeat steps 2-4 for each of the following: 5 mL of oil and 2 g each of cornstarch, sodium chloride, and sodium bicarbonate. WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. a. Joule (J) 4. and our Additionally it showed that kinetic energy is only conserved in elastic collisions. The Just Drop It investigation was very informative and taught important lessons. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. KE = mv2 KE = ? " In a Dichotomous key each step has two . 4. 1. E. PART II: Examining the Effect of Material Type on Thermal Energy Transfer and Specific Heat For more information, please see our - m is the mass Calculate thenumber of radioactive atoms remaining after each halflife.

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