When collisions occur, two properties of the colliding bodies are changed or transferred: their Energy and Momentum. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. At the level of reference the ____________ is considered equal. A rod was used to push down the button on top of the plunger cart. We know that the law of conservation of energy says that energy can never be created or destroyed, so what happened? Two clay balls are moving toward each other. !HID63Ds "V~b,@Va>-_*k'j 5=iWm\dlzpIHD yT^mF,.:KL/sdCc6oE-fqV4pc:0eA 3qB These values were recorded, and the procedure was repeated two more times for a total of three readings. 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. program. d. Place the cups under the heat lamp(s). Measure the mass of your ball on the balance. a. When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. Not because your TA says to do so, but because it adds depth to your discussion. Open Edgenuity and enter the purchase key. 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. 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. Repeat the process of data collection at least 5 times and take the average. Privacy Policy. Record the exact mass in Table B. c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more Dry sand 100 19 63 44 The most major of these is deceleration due to the force of friction. Physics Lab - Work & Kinetic Energy (uses Science Workshop TM Interface) Purpose: The purpose of this lab is to compare the work done on an object with the object's change in kinetic energy. H. Assemble a coffee cup calorimeter. xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy 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. The final momentum for each condition was calculated using the following formula. Fill close to the 0 mL line but not higher, or you will not be able to measure volume accurately. What are the units for potential energy? The next condition tested was inelastic collisions. 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. These sensors were attached to a computer, which was running the Logger, program, through a Vernier computer interface. 124 lessons. Think about what you already know about energy. web feb 7 2023 edgenuity chemistry lab report answers title the title should be concise and clearly describe the purpose of the experiment. 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! mass. Justify the hypothesis from a chemical standpoint. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. This would give the velocity of each cart. Kinetic Energy How Do the Mass and Velocity of an Object Affect Its Kinetic Energy? 1 0 obj b) Load the HCl and NaOH burets with HCl and NaOH solutions, respectively. In this experiment we will be measuring the rate of decomposition of hydrogen dioxide with the following reaction: In the first experiment, How does mass affect your game? it shows that the data on Ball- Mass 3 that the 10 pound bowling ball had the highest kinetic energy of 27(J), the greatest velocity (m/s) of 3.42, and in average it produced 4 bowling points. 5. % Also! dumping the sample into the calorimeter. A 50 kg ball traveling at 20 m/s would have kinetic energy. If you added the amount of KE and heat energy together, you would get the original value for GPE because energy is conserved. Kinematics requires the understanding of how objects move vertically and horizontally. 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 . However, when the group was compared to other groups conducting the same experiment, the displacement of their marshmallow was the shortest. 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. After the lab was over this data was analyzed using the equations above to give the following values. The Photogate sensors were used to measure the velocity of each cart as it moved from the explosion site. A stairwell or out a window work well. Measure out 500 mL of tap water in the 1 L beaker and bring it to a boil using a hot plate mL cylinder to the beaker on the stir plate and empty it into the beaker. The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. complete other steps of the lab. The raw data for the explosions is shown below. Data are reasonably accurate. When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Other researches had similar data but were never exactly the same. If the slope was steeper on the graph, this meant that the cart had an increase in velocity. Reddit and its partners use cookies and similar technologies to provide you with a better experience. I. In this experiment, we will collect data on velocity, speed, and time. If a person riding a bike has a mass of 200 kg and is moving at a velocity of 5 m/s, what is their kinetic energy? Inquiry Lab Kinetic Energy and Motion Read the entire activity on pages 180 and 181 of the textbook. Dry sand 200 19 40 21. energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. 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. At the maximum height, __, the object's GPE will be a maximum. El restaurante Dalia: Dnde (cenar / contestar) enter answer t y Daniel anoche? The analysis of. 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The kinetic energy before and after the system was then computed using the above kinetic energy equation. Go to pages 5 to 7 of Assignment Booklet 2B and answer questions 10 to 15. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. ANSWER KEY . These values were recorded, and the procedure was repeated two additional times for a total of three readings. As the height decreases the GPE will decrease while its __________ increases. After the time has elapsed, record the actual elapsed time in the Tfinal column in Table A. This friction converts some of the energy of the ball into heat, making the value measured for KE less than expected. 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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). c. Observe the increase in temperature every 20 seconds for 3 minutes, or until the bundle d. Remove the aluminum wire sample and empty the calorimeter. copyright 2003-2023 Study.com. The volume is determined by measuring with a ruler and by water displacement. This was calculated using the following formula. Measure the height from which you'll be dropping your tennis ball. . Cookie Notice The purpose of the experiment was to find the effect of a balls drop height on its return bounce height. Today, we're going to see how this plays out in the real world. other two cups, filling one with 100 g of wet sand and one with 100 g of dry sand. sample. Suggested Answers 1. @W In conclusion a basketball may look sample but its is very complex and can be very hard to manage. lab kinetic energy edgenuity answers. These ions attract each other and create an ionic bond. Today's lab will elastic collision in one dimension. 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. 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. 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. WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. There were no controlled variables used in this experiment. Try to let The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. Using a 500 mL beaker at a height of 10 cm from the materials. circle one The first condition tested was elastic collisions. Then remove the .75m desk and place it on the ground. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. B is a filter feeder or a detritivore. I would definitely recommend Study.com to my colleagues. What is your hypothesis (or hypotheses) for this experiment? Also make a hypothesis about which type of material will heat up the fastest. The standard cart moved to a velocity of zero and was still. At the ___________ h, the object's GPE will be a maximum. You may continue with Part II until it is time to check She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. kinetic energy lab report edgenuity answer key, energy homework answers, energy transformations edgenuity answers. the samples set for approximately 25 minutes. . Since it's still and high up, the object only has GPE. 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. 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. Where: 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. Add water to the cup until the total mass reads 200 g. Repeat Therefor all the momentum from the object that is initially moving will be transferred to the other object. If the speed of the object increases, its kinetic energy increases. F"361:~Sx~(1 3a1Hf!&%d~~Iy9ed*0|bc_.Q|Akh'Se& fOr)/x In this experiment we will prove the conservation of energy by observing the interplay between kinetic and gravitational potential energy. Write the goal of the lab or the question you tried to answer. 3 0 obj ***Repeat steps 2-4 for each of the following: 5 mL of oil and 2 g each of cornstarch, sodium chloride, and sodium bicarbonate. This project will prove for once and for all if basketballs bounce higher with or without helium. kinetic energy using a lab to visualize the effects of each. 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. Overall the total energy (kinetic plus potential) is conserved. 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:
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