lab kinetic energy assignment lab report edgenuity answer key

%PDF-1.5 As the height decreases the GPE will ________ while its kinetic energy increases. All objects have momentum, even if it is zero, and momentum cannot be lost. 1 0 obj b. These results are shown in the table below. What was determined to be true was that the potential energy was larger than the kinetic. Place a small amount of candle wax into a tiny test tube that already has wax in it (scrape it off a tile using a micro spatula). As the _________ decreases the GPE will decrease while its kinetic energy increases. Why or why not? However, when the group was compared to other groups conducting the same experiment, the displacement of their marshmallow was the shortest. 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. descriptions of the heat gained by water, wet sand, and dry sand that you have made by for the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. Not because your TA says to do so, but because it adds depth to your discussion. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. %PDF-1.6 % : 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. Set up samples to examine thermal energy transfer with varying material and mass. She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. As the height decreases the _________ will decrease while its kinetic energy increases. 3. Reddit and its partners use cookies and similar technologies to provide you with a better experience. lab notebook. I've been adding the answer key to my World History and Biology course. 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. rate of fall of an object was determined by its weight held that matter was constructed out. Therefor all the momentum from the object that is initially moving will be transferred to the other object. 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. Record the final temperature value for each cup in Table A. D. This cart also had a rod to assist in readings. information about whether it They have opposite properties and have the ability to cancel or neutralize each other. '%30r85. This would force the carts to stick together after collision. Suggested Answers 1. stream Whenever an object moves, some energy is converted to heat through friction. Accuracy is how close the average of the measured values are to the actual value. 2. They were joined together by the Velcro, and the plunger was pushed into the plunger cart. energy in the earth system part 1 unit 4 heat and. 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! program. (a) The balls will not move because K1=K2K_1=K_2K1=K2 before the collision. If you want to start doing an Answer Key too! To begin the lab a Vernier Dynamic Track was set up and leveled on a table. and the calorimeter water. The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. 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. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Attached to the track were two Photogate sensors. Cite: answers.com Work =Fd Ex:Trial 1: 0.98N*1.47m=1.44J Kinetic Energy= 1/2mv^2 Ex: Trial 1: 1/2 (794.5g) (1.16m/s/s)= 534.5J This is most likely because the reading of the return bounce was not exactly correct and neither was the drop height. kinetic energy lab report edgenuity answer key, energy homework answers, energy transformations edgenuity answers. We wrote down our data to prove that speed, height, and mass affect kinetic energy. 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. c. The three material types should be room temperature, but place a thermometer in each - Benefits, Foods & Deficiency Symptoms, Working Scholars Bringing Tuition-Free College to the Community, Investigate conservation of energy through measuring potential and kinetic energy. KE = KE = 2500 J 6. If you measure it in grams, simply divide the number by 1000 to get kilograms . @W Place the calorimeter (no lid) on the balance and tare the balance. 1. The next condition tested was inelastic collisions. They are hints. After the lab was over this data was analyzed using the equations above to give the following values. Mark the board at 7.5 cm from each end. Find the values of (a) I2I_2I2, (b) I3I_3I3, and (c) R3R_3R3. Considerations: These are not questions to be answered as a separate part of the lab report. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. All rights reserved. The conservation of momentum is a very important concept in physics. endobj Because the percent differences were relatively close to zero the momentum of the system was conserved. These sensors were attached to a computer, which was running the Logger, program, through a Vernier computer interface. The Great Depression and the New Deal How did the New Deal affect minorities in the United States (African Americans, Hispanics, etc.) These resources will help you complete the assignment. 2 0 obj releases or absorbs thermal energy by chemical processes. This experiment will be exploring, in depth, Newton's second law. The analysis of. Before you start, make a prediction: Will the GPE at the top be the same as the KE at the bottom? = Visit EdgePlus+ for a purchase key. In the presence of nonconservative forces (like friction), the _____________ is not conserved. 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. As the data is representative of a graphical parabola, a parabolic function was utilized to be the best fit trendline. 5) 5 mL of sugar was added to the solution and a balloon was placed over the opening of the bottle to minimize the loss of any gas from the system. Aqueous solutions are solutions that water is solvent. 5. Why or why not. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. Total score: ____ of 27 points (Score for Question 1: ___ of 3 points) 1. Then push the duck so it is compressed and is going to launch horizontally . The Just Drop It investigation was very informative and taught important lessons. the samples set for approximately 25 minutes. Table A: The Effect of Mass or Material Type on Thermal Energy Transfer. Dm is preferable! Ionic bonding is a type of chemical bond formed between two ions with opposite charges. Each chemical compounds has a certain percentage of ionic character in its bonds and the remaining percentage as covalent bonds. The major finding was the return bounce height depended the most on the balls mass and from where it was dropped. the total energy in the system will not change. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. In elastic collisions kinetic energy was always conserved. The ______________ is happening in the presence of conservative forces like gravitational forces or the force in a spring. b. ANSWER Step 5: Set Up the Titration a) Turn the cockstops off. From this point, let <> On the other hand, the evidence shows that the 12 pound bowling ball in Ball- Mass 2 has the velocity (m/s) of 3.12, the kinetic energy of 23 (J), and the average bowling points of 4 . Ionic bonding is a crucial topic to understand within general chemistry reactions. We'll study two main types of energy today. The standard cart moved to a velocity of zero and was still. 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. These values were recorded, and the procedure was repeated five additional times for a total of six readings. Record your time in your data table in seconds. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. For observation 2 add. Share this Reddit Posts to your friends if they got Edgenuity, too. If this wasn't your finding and GPE was greater, you might have some errors in your timing for dropping the ball. Anything that has mass and is moving, like a train, a moving ball, or an atom has a certain amount of energy. The first step was to graph the distance-time graph from the data collected. I. 4 0 obj It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. A rod was used to push down the button on top of the plunger cart. edgenuity answer key r edgenuity reddit . There are multiple possible sources of error in this experiment. 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. If you want the answer key, you can dm me or you can comment so it'll . Wet sand 100 20 53 33. b) Load the HCl and NaOH burets with HCl and NaOH solutions, respectively. 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. 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. We traded experiments and materials with another group, so each group got a chance to watch an unbiased group perform their experiment. 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. Do this at least five times and take the average. For observation 1 and 2, pour 1 cup of water into a pan and place on stove on high heat. This is true because the value of the ratio of the momentum after to the momentum before was relatively close to one, or zero in the case of the percent difference for the momentum of the explosions. Drag the beaker to the red disposal bucket. I will add credit to the file and on this post. The raw data readings for the elastic collisions are shown below. The kinetic energy before and after the system was then computed using the above kinetic energy equation. Edgenuity Answer Key! When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. 4. One cart was a standard cart with a rod on top. 6. CLEANUP : Leave the test tube with wax stuck in it in the lab station. Typically an ionic bond occurs between one metal and one non-metal ion. Momentum (p) can be calculated by multiplying mass (m) by velocity (v) in the following equation. In the presence of nonconservative forces (like friction), the total mechanical energy is, In the presence of nonconservative forces (like friction), the total mechanical energy is not conserved. Endnotes: We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Steps. 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.

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