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. So why would KE and GPE be different? You probably found that your values for KE were slightly less than that of GPE. This rod would be used to break the photon beam in the Photogate sensor, and send a signal to the computer. What is your hypothesis (or hypotheses) for this experiment? other two cups, filling one with 100 g of wet sand and one with 100 g of dry sand. They are things for you to think about. sample. Record your time in your data table in seconds. Trim three more foam cups to half size. 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. Vocabulary Words . Place an empty trimmed cup on the mass balance Think of total energy like a pizza. b. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). We can monitor the rate at which a chemical decomposes or the rate at which a chemical substance appears. 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. 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. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. c. The three material types should be room temperature, but place a thermometer in each = Step 2: Note State and Appearance. For observation 1 and 2, pour 1 cup of water into a pan and place on stove on high heat. It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. Use the graph to answer question 2-3. and tare for zero. Before you start, make a prediction: Will the GPE at the top be the same as the KE at the bottom? At the maximum height h, the object's _____ will be a maximum. Call down to your partner when you're going to drop the ball and let them use the timer. If you have been keeping score of your answers, you can always dm me the link and I'll add it to the Google Drive Edgenuity Files. 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. Attached to the track were two Photogate sensors. c) Put a clean, dry stir bar inside a clean, dry 50 mL Erlenmeyer flask. Examining the teeth of an animal can give To begin the lab a Vernier Dynamic Track was set up and leveled on a table. 3. m 1 < m 2 If m 1 < m 2, then v 1f < 0, which is to say that object 1 reverses direction. Place a book on top of the .95m table. Place the strainer and lead in the hot water bath. << If you want the answer key, you can dm me or you can comment so it'll . 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). Therefor all the momentum from the object that is initially moving will be transferred to the other object. Use a thermometer to check the hot water bath temperature, which should be near 100C On the Logger. In your observations, include qualitative Simply put, his law describes the relationship between the mass of an object, the acceleration of an object, and the force needed to move it. PDF Energy Review Answer Key - Loudoun County Public Schools Visit EdgePlus+ for a purchase key. Kinetic Energy Lab Report Edgenuity Answers. This change and transfer is mediated by one or many forces.Dropping an item from specific heights and weights to see what the kinetic energy measures for each was fun. 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. for the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. C. Measure the change in temperature for different materials and mass. 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. 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. mass. Lab: Physical and Chemical Changes Assignment: Lab Report Active HELP ***Repeat steps 2-4 for each of the following: 5 mL of oil and 2 g each of cornstarch, sodium chloride, and sodium bicarbonate. 3. The slight discrepancies in the values of initial and final momentum can be explained by some sources of error. These values were recorded, and the procedure was repeated two additional times for a total of three readings. PDF WorkKinetic Energy Lab - Physics Classroom 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: I made this because I was having to do all the research and I would've loved it, if someone had already done this. Potential and Kinetic Energy Lab | Study.com 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. To determine whether the height at which a marble is dropped affect the size of the crater. B. I'm not able to just leave it out in the public since Reddit will take it down because of copyright, lol. Dry sand 200 19 40 21. 5. 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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. Aqueous solutions are solutions that water is solvent. The values of the velocities were shown on the Logger. Place an empty trimmed cup on the mass Were the values for KE and GPE the same? In our lab work, we had to do multiple tests by dropping a can onto a clay ball. A 50 kg ball traveling at 20 m/s would have kinetic energy. This equation can become a powerful tool when analyzing all types of collisions. Amanda has taught high school science for over 10 years. circle, each equidistant from the lamp. Then remove the .75m desk and place it on the ground. Hydrogen bond, water. Once you have created your file(s) and are, An aircraft weighing 18785 N returns to the aircraft carrier and lands. 5. 10 mL graduated cylinder - 2 g sodium chloride spoon - 2 g sodium bicarbonate conductivity apparatus distilled water in a wash bottle. 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. As the height decreases the GPE will ________ while its kinetic energy increases. 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). The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. 1. lab energy transfer edgenuity answers - ASE.ro The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. 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. Click the Get form key to open the document and move to editing. The analysis of. m = 150kg . L. Close the lid snugly and make sure the thermometer is immersed endobj h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o A rod was used to push down the button on top of the plunger cart. Why or why not? xnd r `v^5CHQTuUs3$"@NlvU|ss?t%DnVRB\V?D?vXo"Kb-dYoLD7ee~QNm4V]K = w]SYx,yR"LT5IF}D7UGZM]|hSaZma zmQG_U8H#"hP NwZGjvm2_'iT0jU!nehu#K"BF(C9B:6^fiO-ZzVCW^DF;l*=)q`D-ef1FG2LmQ}WBzP+/]3G^5LL2 m)f3d#Xa. $w|ufkcH2n&t&a/ugRVx\!K'h"JpLl8TL*{[;44,raD$;KI8=Hv8}0mIk|pHZ]$;qYV`z|P%;p2MUrn^Cw&5ZORZ%mqj*Bk>K"*;K4 E,~#|4 tfgZdzrW$2d\X-KycA*H=`Fho*=ct) 5:Gq7:uXvyw(Sp)T.$;-Q-9LFCZYnl,F9.H"}/wQt#81K~JZcw These values were recorded, and the procedure was repeated two more times for a total of three readings. When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. 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! Place the pH probe in the beaker and record the pH in the data table. pellets, and briefly allow the excess water to drain from the pellets and strainer before The _____________________ is the change in mechanical energy, In the presence of nonconservative forces (like friction), the total mechanical energy is not conserved. An example of an elastic collision is a cue ball striking a billiards ball initially at rest. The raw data for the inelastic collisions is shown below. The goal of the experiment was to identify the gravitational acceleration from the recorded distance(cm) vs time(sec) data of a fallen object. Today, we're going to see how this plays out in the real world. Apply the properties of kinetic and potential energy. PDF 2017 Tech & Learning Award of Excellence - Edgenuity Inc. 2. It is hypothesized that momentum will be conserved in all conditions tested in the experiment. There are many properties that distinguish an ionic compound from a covalent compound. Next, we need to do some calculations to find GPE and KE. After the lab was over this data was analyzed using the equations above to give the following values. program. c. Observe the increase in temperature every 20 seconds for 3 minutes, or until the bundle Consider the circuit in the diagram. The word dichotomous comes from two Greek words that translate to "divided in two parts. increasing). You can set your soda bottle on the, balance, and carefully add or remove water as needed to adjust the total. Assume that the velocity of the soda bottle falling from a height of 0.8 m will, be 4 m/s. Introduction: Chemical reactions are dependent upon two factors: temperature and concentrations of substance. Final Lab Report: Solar Cookin' - Suffolk University We wrote down our data to prove that speed, height, and mass affect kinetic energy. Accuracy is how close the average of the measured values are to the actual value. Kinetic Energy Practice Problems 1. f. Allow the metal samples to reach thermal equilibrium with the boiling water over the 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 - Facts, Addiction & Withdrawal Symptoms, What Is Zinc? While the slope of the linear trend line was 4084.798, the actual mass of the van and Mr. Simmons combined was 2450 kg. The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. These values were recorded, and the procedure was repeated two more times for a total of three readings. I've been adding the answer key to my World History and Biology course. Double-click the bottle of NaHCO3 to move it to the Stockroom counter. When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. Start a timer or note the time on a clock. The purpose of the experiment was to find the effect of a balls drop height on its return bounce height. 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. Add water to the cup until the total mass reads 200 g. Repeat 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? Enrolling in a course lets you earn progress by passing quizzes and exams. In the limit that m 2 m 1!1, v 1f! One cart was a standard cart with a rod on top. b. 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. Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, A rod was used to push down the button on top of the plunger cart. The raw data readings for the elastic collisions are shown below. (3 points) Covalent bond, methane. Go to pages 5 to 7 of Assignment Booklet 2B and answer questions 10 to 15. Repeat Steps 68d for the lead PDF Edgenuity Physical Science Energy Answers We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Identify and describe the transfer of potential energy to kinetic energy. an object in motion Kinetic object Explore different tracks and view the kinetic energy, potential energy and friction as she moves. WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. 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. Some of them should be addressed in your lab report. Theology - yea The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. u=MF)1\?Nt5hfw!wt{w{ry5Z~sMezs,'wMp+`$71MA. @W Although there will be less friction than sliding it across a rough table, it's still there. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. This is the lab data explained. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). So, multiply your value for height, the mass of the ball, and 10m/s2 to get GPE. a. Repeat Step 3a for the 200 g samples. Key points: When you leave the EdgyBot to do work by itself, you need to stay on the same tab. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track.
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