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

The goal of the experiment was to identify the gravitational acceleration from the recorded distance(cm) vs time(sec) data of a fallen object. We can monitor the rate at which a chemical decomposes or the rate at which a chemical substance appears. Science | Graded Assignment | Lab Report | Elasticity Name: Keli Parks Date: 8/14/2022 Graded Assignment Lab Report: Elasticity Answer the questions below. 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! touching the materials to assess their thermal energy. << When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Make sure you record the mass in kilograms in your notebook. endstream endobj 499 0 obj <>stream This would force the carts to stick together after collision. In this experiment, we will collect data on velocity, speed, and time. I would definitely recommend Study.com to my colleagues. Endnotes: in Table A. Place the lid on the calorimeter, and insert the thermometer. Enrolling in a course lets you earn progress by passing quizzes and exams. h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o However, when the group was compared to other groups conducting the same experiment, the displacement of their marshmallow was the shortest. Today, we're going to see how this plays out in the real world. 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: Place a book on top of the .95m table. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. 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. upright near the end of the lever, maybe taped against a wall. Table A: The Effect of Mass or Material Type on Thermal Energy Transfer. Use a thermometer to check the hot water bath temperature, which should be near 100C 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 . circle, each equidistant from the lamp. energy is also obvious, are known as elastic collisions. 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. This button released the plunger, and propelled both carts down the track in opposite directions. The energy of a moving object is called kinetic energy. Set up samples to examine thermal energy transfer with varying material and mass. C. Measure the change in temperature for different materials and mass. A rescue diver of mass 89 kg jumps from a hovering helicopter into the ocean 20 meters below. For observation 1 and 2, pour 1 cup of water into a pan and place on stove on high heat. SAMPLE LAB REPORT SCI141: Biology Sections Introduction All cells are bound by a functional cell membrane. Two carts, that had already been weighed, were placed in the track. The first step was to graph the distance-time graph from the data collected. Measure out 500 mL of tap water in the 1 L beaker and bring it to a boil using a hot plate The function Positon=404.289cm/s^2(t^s) + 44.450cm/s(t) +4.876cm was identified. This equation can become a powerful tool when analyzing all types of collisions. SOLUTION: Kinetic Energy Student Guide Lab Report - Studypool At the maximum height h, the object's GPE will be a _______. Course Hero is not sponsored or endorsed by any college or university. Some of them should be addressed in your lab report. Create an account to start this course today. Were the values for KE and GPE the same? . Place an empty trimmed cup on the mass balance Then push the duck so it is compressed and is going to launch horizontally . stream I feel like its a lifeline. These calculations illustrated the nature of momentum, and showed that momentum is always conserved. In class we learned about the principles of acceleration, time, and velocity. Record these guesses in Table A. One cart was a standard cart with a rod on top. Acids and bases are carefully regulated in the body by the lungs, blood, and kidneys through equilibrium processes. Aqueous solutions are solutions that water is solvent. The standard cart was pushed towards the plunger cart, which was at rest. 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. B is a filter feeder or a detritivore. 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. 1. 3. Visit EdgePlus+ for a purchase key. After the time has elapsed, record the actual elapsed time in the Tfinal column in Table A. In the lab, the aim was to get as close as possible with both accuracy and precision when determining the mass and volume of the spheres. 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. As the data is representative of a graphical parabola, a parabolic function was utilized to be the best fit trendline. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Record this in your notebook. . - h is the maximum height of the object relative to the level of reference chosen. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Its like a teacher waved a magic wand and did the work for me. 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. ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. 4. The cell membrane functions to protect a cell and to regulate the movement of molecules and ions into and out of cells. What was determined to be true was that the potential energy was larger than the kinetic. This will serve as a backstop for launching the duck. Call down to your partner when you're going to drop the ball and let them use the timer. 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. " In a Dichotomous key each step has two . The Photogate sensors were used to measure the velocity of each cart as it moved from the explosion site. These results are shown in the table below. empty 1L soda bottle, using the funnel if needed. Find the values of (a) I2I_2I2, (b) I3I_3I3, and (c) R3R_3R3. a. Also! The most major of these is deceleration due to the force of friction. Therefor all the momentum from the object that is initially moving will be transferred to the other object. any excess water drip off the wire sample, but make the transfer quickly so the metal Explore different tracks and view the kinetic energy, potential energy and friction as she moves. Suggested Answers 1. -- the products are at a lower free energy, or more stable, than the reactants. Using the kinetic energy equation. Kinetic energy (KE), the energy of movement, and gravitational potential energy (GPE), or stored energy due to height. The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. In physics momentum is always conserved. 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. Overall the total energy (kinetic plus potential) is conserved. 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. slightly to facilitate measurement, if needed, and carefully trim the sample down to 50 g. The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. . This rod would be used to break the photon beam in the Photogate sensor, and send a signal to the computer. Which answer correctly explains how the balls will move after a totally inelastic collision? The standard cart moved to a velocity of zero and was still. Hypothesis- Answer the following question: Will an object reach the ground with more velocity than an . 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. In this lab it was found that momentum was conserved in each of the situations above. Dm is preferable! You are never to simply list answers to considerations. The conservation of the energy is happening in the presence of conservative forces like gravitational forces or the _____________. Overall the total energy (kinetic plus potential) is __________. KE = KE = 2500 J 6. The first condition tested was elastic collisions. %PDF-1.5 - g is gravity (not to be associated with the acceleration due to gravity because g is a scalar) the total energy in the system will not change. This includes knowing the displacement, velocity, and acceleration of objects. I've been adding the answer key to my World History and Biology course. The percent difference was calculated using the following formula. For more information, please see our Temperature is a measure of the internal energy of a system. When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. e. Measure out approximately 50 g of lead pellets, record the exact mass in Table B, and Water 100 21 39,0 18 stream increasing). If you pick up a 10 N book a distance of 2 meters, how much gravitational potential energy did you . ;18:/*wT$, These resources will help you complete the assignment. The carts were placed on the track so that the magnet containing ends of the carts were facing each other. Lab Report 10A - Lab 10 A from manual; PH-101 Lab #13 - Lab report; The ratio of the final momentum to the initial momentum was calculated for all conditions except the explosion. The lamp bulb should be positioned over the cups To begin the lab a Vernier Dynamic Track was set up and leveled on a table. or other heating source. If students have difficulties differentiating the characteristics associated with covalent and ionic bonding, they will suffer with future topics and other branches of chemistry. A rod was used to push down the button on top of the plunger cart. 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. circle one Also, to see how gravity pulls the ball down storing energy and releasing the energy as the ball hits the bottom of the ramp and to see the distance the ball travels after books are added. c. Observe the increase in temperature every 20 seconds for 3 minutes, or until the bundle I. 3. m 1 < m 2 If m 1 < m 2, then v 1f < 0, which is to say that object 1 reverses direction. The cue ball strikes the billiards ball and loses velocity after the collision occurs and the billiards ball gains velocity after the collision. G. Establish an initial temperature of the metal samples. 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. The experiment was executed by dropping three different balls of different masses at 100, 75, 50, and 25 centimeters. Kinetic Energy How Do the Mass and Velocity of an Object Affect Its Kinetic Energy? Precision is the closeness of repeated measurements. In inelastic collisions the objects stick together after they collide. The slight discrepancies in the values of initial and final momentum can be explained by some sources of error. This would force the carts to stick together after collision. Upon graphing the data, the best fit line was identified in order to find the formula of the function. 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. 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. The desk will then be used to launch from a vertical displacement of .75m place the duck up against the book and launch it horizontally, again collecting 5 separate data points and taking the average of the. web feb 7 2023 edgenuity chemistry lab report answers title the title should be concise and clearly describe the purpose of the experiment. 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. Record the exact mass in Table B in the row for aluminum, as this will be the first for the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. When does the ball have the most kinetic energy? xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy All other trademarks and copyrights are the property of their respective owners. Record all data in Table A, and calculate the As the height decreases the GPE will decrease while its kinetic energy ____________. 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. There are many properties that distinguish an ionic compound from a covalent compound. Heat Transfer - The movement of thermal energy from one object to another of a different temperature. This project will prove for once and for all if basketballs bounce higher with or without helium. b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. These values were recorded, and the procedure was repeated five additional times for a total of six readings. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. Describe the three different types of bonds, providing examples of molecules formed through each type of bond. The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in inelastic collisions. The values of the velocities were shown on the Logger Proprogram. In this experiment we will prove the conservation of energy by observing the interplay between kinetic and gravitational potential energy. We traded experiments and materials with another group, so each group got a chance to watch an unbiased group perform their experiment. For observation 2 add. This is most likely because the reading of the return bounce was not exactly correct and neither was the drop height. kinetic energy using a lab to visualize the effects of each. Therefor elastic collisions can be defined as collisions in which kinetic energy is conserved. The hole each rock made is measured for its depth. Market-Research - A market research for Lemon Juice and Shake. Place a beanbag so it is centered on one end of the board at the target. The final condition tested was explosions. The raw data for the explosions is shown below. There are multiple possible sources of error in this experiment. Considerations: These are not questions to be answered as a separate part of the lab report. These equations are as follows: The purpose of this lab was to test the relationship between velocity, position and time. ANSWER Step 5: Set Up the Titration a) Turn the cockstops off. d. Remove the aluminum wire sample and empty the calorimeter. 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. Measure the mass of your ball on the balance. This cart also had a rod to assist in readings. If using two lamps, place three cups under each. 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. complete other steps of the lab. Collisions occur when two or more objects collide, and can be either elastic, or inelastic. (Read Section 7 -3 for a thorough explanation of the W ork-Kinetic Energy Theorem.) in the water. balance and tare for zero. = 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. Measure out approximately 50 g of aluminum wire using a mass balance. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. Learn about conservation of energy with a skater gal! You might think there is no friction in the air, but air is actually made up of millions of tiny gas molecules. The standard. 2. Whenever an object moves, some energy is converted to heat through friction. a. If you want the answer key, you can dm me or you can comment so it'll get more people to see it. circle one H. Assemble a coffee cup calorimeter. % We interpret the = sign to mean that the gravitational potential energy of the ball before it fell was converted into an exactly . These values were recorded, and the procedure was repeated two more times for a total of three readings. Ionic bonds form their bond when opposite charged ions in a chemical compound have an electrostatic attraction. Sample calculations are shown for A 50 kg ball traveling at 20 m/s would have kinetic energy. If your time is greater than it's supposed to be, your results won't make sense. 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. Wet sand 200 20 37 16. 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. Repeat Steps 68d for the They are things for you to think about. Today's lab will elastic collision in one dimension. This proves that momentum is conserved in collisions. (a) The balls will not move because K1=K2K_1=K_2K1=K2 before the collision. A. (d) We cannot predict how the balls will move after the collision. Introduction: Chemical reactions are dependent upon two factors: temperature and concentrations of substance. Apply the properties of kinetic and potential energy. We know that the law of conservation of energy says that energy can never be created or destroyed, so what happened? They were joined together by the Velcro, and the plunger was pushed into the plunger cart. Because the percent differences were relatively close to zero the momentum of the system was conserved. Pour out some of the water from your soda bottle to adjust the total mass of, water and bottle to 0.125 kg (125 g). Drag the beaker to the red disposal bucket. As well as identify how accelerations affects an object's velocity and time. 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. 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. Data: m = kg Fave = N x (m )v /s Wo rk JKE % Dif enc Scoring Rubric: E6. of wire and water reach an equilibrium temperature (the water temperature stops The major finding was the return bounce height depended the most on the balls mass and from where it was dropped. At the ___________ h, the object's GPE will be a maximum. We wrote down our data to prove that speed, height, and mass affect kinetic energy. Let's practice our energy types. E. PART II: Examining the Effect of Material Type on Thermal Energy Transfer and Specific Heat temperature change, T, for each sample. C is a nutritional symbiont. 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 a ball is sitting still at the top of a hill, will it have GPE or KE? %PDF-1.6 % In conclusion a basketball may look sample but its is very complex and can be very hard to manage. This proved the groups hypothesis. kinetic energy lab report edgenuity answer key, energy homework answers, energy transformations edgenuity answers. Introduction When law enforcement officials investigate car crashes (see Figure L13.1), it can sometimes be difficult to determine who is at fault and what laws were broken, especially when there is no footage of the crash. In the presence of _____________ forces (like friction), the total mechanical energy is not conserved. This allows you to get a more accurate answer. I recommend using this template. No items have been added yet! I have a template, that is simple and clear to understand. If you do not have . Kinematics requires the understanding of how objects move vertically and horizontally. 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. They have opposite properties and have the ability to cancel or neutralize each other. You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground. 100 g (least massive) 3 0 obj If needed, place the The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. Momentum (, ) can be calculated by multiplying mass (, To begin the lab a Vernier Dynamic Track was set up and leveled on a table. Attached to the track were two Photogate sensors. This allows for a more accurate measurement. One atom borrows one or more electrons from another atom. Data section includes the provided table. CLEANUP : Leave the test tube with wax stuck in it in the lab station.
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