for the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. Measure out 500 mL of tap water in the 1 L beaker and bring it to a boil using a hot plate F"361:~Sx~(1 3a1Hf!&%d~~Iy9ed*0|bc_.Q|Akh'Se& fOr)/x Try to let What is the force required to bring the aircraft to a. The purpose of this lab is to explore the relationship between mass, speed, and. 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. Ionic bonding is a type of chemical bond formed between two ions with opposite charges. Understand the role of the mass in a conservation of energy situation. Which answer correctly explains how the balls will move after a totally inelastic collision? PDF Kinetic Energy and Motion Were the values for KE and GPE the same? The first condition tested was elastic collisions. This rod would be used to break the photon beam in the Photogate sensor, and send a signal to the computer. Place a beanbag so it is centered on one end of the board at the target. % These sensors were attached to a computer, which was running the Logger, program, through a Vernier computer interface. Go to pages 5 to 7 of Assignment Booklet 2B and answer questions 10 to 15. Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in explosions. Close the lid snugly and make sure the thermometer is immersed What are the units for kinetic energy? Enrolling in a course lets you earn progress by passing quizzes and exams. At the ___________ h, the object's GPE will be a maximum. The raw data for the inelastic collisions is shown below. b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. The nonconservative work is the _________________________, Conservation of change in kinetic energy formula, Lab 9: Centripetal Force & Rotational Dynamics, Mathematical Methods in the Physical Sciences. Repeat step 2 three times and average the times together. Inquiry Lab Kinetic Energy and Motion Read the entire activity on pages 180 and 181 of the textbook. They were joined together by the Velcro, and the plunger was pushed into the plunger cart. a. These values were recorded, and the procedure was repeated five additional times for a total of six readings. Record the exact mass in Table B. 2. The experiment was executed by dropping three different balls of different masses at 100, 75, 50, and 25 centimeters. d. Repeat Steps 4bc for 50 g of the steel wire. 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. Lab: Kinetic Energy Assignment: Lab Report Instructions Click the links to open the resources below. While the slope of the linear trend line was 4084.798, the actual mass of the van and Mr. Simmons combined was 2450 kg. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Energy that exists by virtue of an object's motion is called the Kinetic Energy. The first step was to graph the distance-time graph from the data collected. To unlock this lesson you must be a Study.com Member. Not because your TA says to do so, but because it adds depth to your discussion. 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. Meter sticks should be. The work-kinetic energy theorem states that the change in the kinetic energy of a particle during a displacement is equal to the work done by the resultant force on the particle during this displacement. These calculations illustrated the nature of momentum, and showed that momentum is always conserved. 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. Record these guesses in Table A. The values of the velocities were shown on the Logger. bundle of steel wire. The percent difference was calculated using the following formula. 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. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). 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. - Uses, Types, Examples & Side Effects, What Is Methadone? Think of total energy like a pizza. We interpret the = sign to mean that the gravitational potential energy of the ball before it fell was converted into an exactly . In our lab, some pairs would start and stop in order to remain at the correct number of pounds on the vehicle; therefore, the car had inconsistent acceleration and the data did not accurately reflect the constant rate. At the level of reference the ____________ is considered equal. Repeat the process of data collection at least 5 times and take the average. Science | Graded Assignment | Lab Report | Elasticity Name: Keli Parks Date: 8/14/2022 Graded Assignment Lab Report: Elasticity Answer the questions below. The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. The next condition tested was inelastic collisions. ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. PDF Warm-Up Introduction to Waves - lessondocs.edgenuity.com 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. This would force the carts to stick together after collision. Call down to your partner when you're going to drop the ball and let them use the timer. Final Lab Report: Solar Cookin' - Suffolk University The carts were placed on the track so that the Velcro side of each cart was facing the other. 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. Complete the conversations by choosing the more logical verb in parentheses and writing it in the preterite. THERMAL ENERGY TRANSFER LAB GUIDE || Edgenuity Portfolio - YouTube Momentum (p) can be calculated by multiplying mass (m) by velocity (v) in the following equation. 2 0 obj Lab Procedure. If the mass of an object increases, then its kinetic energy will also increase because, mass and kinetic energy have a directly proportional relationship and have a linear, Independent: mass of the soda bottle (changing amounts of liquid), Measure the length of your wooden board, and divide that in half to mark at, its midpoint. endobj 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. 2. Wet sand 200 20 37 16. Kinetic energy (KE), the energy of movement, and gravitational potential energy (GPE), or stored energy due to height. LAB #8 - Lab report - 1-a)Introduction Law of conservation of energy Calculate thenumber of radioactive atoms remaining after each halflife. Acids and bases are encountered frequently both in chemistry and in everyday living. Allow the temperature to stabilize, and record this initial temperature to the nearest 0C 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. PDF Lab Activity: Heat, Temperature and Conduction Overall the __________ (kinetic plus potential) is conserved. After the lab this data was analyzed using the momentum equations above to give the following values. in the water. b. KE = mv2 KE = ? The kinetic energy before and after the system was then computed using the above kinetic energy equation. endstream endobj 499 0 obj <>stream The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9) Titration of Vinegar; LAB 8 (Week 10) Calorimetry and Hess's Law; LAB 9 (Week 11) Determination of the Gas Constant; LAB 10 (Week 12) Gravimetric Analysis of an Unknown Sulfate; LAB 11 (Weeks 13 & 14) Spectrochemistry These values were recorded, and the procedure was repeated two additional times for a total of three readings. In the presence of _____________ forces (like friction), the total mechanical energy is not conserved. Trim off the bottom half of three foam cups. The carts were placed on the track so that the magnet containing ends of the carts were facing each other. Water 200 20 30 9. These ions attract each other and create an ionic bond. For observation 2 add. Click the Get form key to open the document and move to editing. Kinetic Energy - Chemistry - Name: Maaz Atta Completed Prior to the edgenuity answer key r edgenuity reddit . Answers Energy Types and Transformations Worksheets We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Measure 200 mL of water with the graduated cylinder and transfer it to an. Today, we're going to see how this plays out in the real world. 1. energy is also obvious, are known as elastic collisions. Place an empty trimmed cup on the mass balance In this experiment we will prove the conservation of energy by observing the interplay between kinetic and gravitational potential energy. PHYS207 Lab Report Template 4 - Work-Kinetic Energy Theorem However, the analysis of kinetic energies proved that kinetic energy is not always conserved. next 5 minutes, while you prepare the calorimeter in the next steps. Objectives (3): - Explore the relationship between kinetic and gravitational energies - Analyze the importance of kinetic energy in falling objects. The most major of these is deceleration due to the force of friction. Create an account to start this course today. Ensure the cap is tight. any higher. If the speed of the object increases, its kinetic energy increases. You always get 8 slices, but some of those slices might be cheese, while others might be pepperoni. Step 2: Note State and Appearance. mL cylinder to the beaker on the stir plate and empty it into the beaker. I made this because I was having to do all the research and I would've loved it, if someone had already done this. The energy of a moving object is called kinetic energy. 6. The Logger Proprogram was set up so that it would collect the Gate Time from each Photogate sensor. Apply the properties of kinetic and potential energy. %PDF-1.6 % 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. h244R0Pw/+Q0L)644)Ic0ibj-@t~HeA~@bzj@ \o It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. 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 Some of them should be addressed in your lab report. 10 mL graduated cylinder - 2 g sodium chloride spoon - 2 g sodium bicarbonate conductivity apparatus distilled water in a wash bottle. a. In physics momentum is always conserved. To do the first experiment, the work-energy theorem is used. /Filter /FlateDecode . When you are finished, submit this assignment to your teacher by the due date for full credit. c. Observe the increase in temperature every 20 seconds for 3 minutes, or until the bundle The conservation of the energy is happening in the presence of conservative forces like gravitational forces or the _____________. kinetic energy to object 2. Where: 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 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: Its like a teacher waved a magic wand and did the work for me. A rod was used to push down the button on top of the plunger cart. Data section includes the provided table. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). >> Mark the board at 7.5 cm from each end. (a) The balls will not move because K1=K2K_1=K_2K1=K2 before the collision. a Potential energy d Chemical energy e Electrical energy energy stored in a bicycle at the top of a hill the heat released by a steaming bag of popcorn the bonds between the protons of a. The analysis of the results of this experiment shows that momentum was conserved in all types of collisions. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. The next condition tested was inelastic collisions. Examining the teeth of an animal can give 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. Water 100 21 39,0 18 -- the products are at a lower free energy, or more stable, than the reactants. b. In this lab we will use kinetic energy to find how much ___________ an object has. If not, why do you think that happened? KE lab.docx - Kinetic Energy Lab BY: PAYTON LANE Physics In inelastic collisions the objects stick together after they collide. PDF Lab #5: The Work - Kinetic Energy Theorem - Pennsylvania State University Attached to the track were two Photogate sensors. The conservation of momentum is a very important concept in physics. Explain your reasoning: Which samples will heat up faster? QUESTION: How do mass and the type of material affect thermal energy transfer? Kinetic Energy Practice Problems 1. Lab Report 10A - Lab 10 A from manual; PH-101 Lab #13 - Lab report; When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. In other words, energy cannot be created or destroyed but it can be converted from one form into another. calorimeter into a beaker or other secondary container to prevent wobbling. Therefor inelastic collisions can be defined as collisions in which kinetic energy is not conserved. CLEANUP : Leave the test tube with wax stuck in it in the lab station. circle one !HID63Ds "V~b,@Va>-_*k'j 5=iWm\dlzpIHD yT^mF,.:KL/sdCc6oE-fqV4pc:0eA 3qB When collisions occur, two properties of the colliding bodies are changed or transferred: their Energy and Momentum. These values were recorded, and the procedure was repeated two more times for a total of three readings. In the presence of nonconservative forces (like friction), the _____________ is not conserved. 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. %PDF-1.5 1. Kinetic Energy Lab Report Edgenuity Answers - Wakelet 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. Each object can only have a certain amount of energy and that energy is in different forms. In class we learned about the principles of acceleration, time, and velocity. Accuracy is how close the average of the measured values are to the actual value. touching the materials to assess their thermal energy. 2. Ionic bonds are formed between a metal and a non-metal. Drag the beaker to the red disposal bucket. Lab 7: Kinetic and Potential Energy Flashcards | Quizlet 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. 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 say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). << All objects have momentum, even if it is zero, and momentum cannot be lost. Work & KE - 1 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. The major finding was the return bounce height depended the most on the balls mass and from where it was dropped. They are things for you to think about. As the height decreases the _________ will decrease while its kinetic energy increases. <>>> PDF Lecture 1: Kinetics vs. Thermodynamics: different but related SOLUTION: Kinetic Energy Student Guide Lab Report - Studypool PDF WorkKinetic Energy Lab - Physics Classroom Overall the total energy (_____________) is conserved. Each chemical compounds has a certain percentage of ionic character in its bonds and the remaining percentage as covalent bonds. These values were recorded, and the procedure was repeated five additional times for a total of six readings. Overall the total energy (kinetic plus potential) is __________. A rescue diver of mass 89 kg jumps from a hovering helicopter into the ocean 20 meters below. Privacy Policy. 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. 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. I'm not able to just leave it out in the public since Reddit will take it down because of copyright, lol. 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. We traded experiments and materials with another group, so each group got a chance to watch an unbiased group perform their experiment. This friction converts some of the energy of the ball into heat, making the value measured for KE less than expected. Learn about conservation of energy with a skater gal! They should start immediately when you drop it and stop it exactly when it hits the ground. Open Edgenuity and enter the purchase key. M. Compute the s pecific heat of each type of metal. The carts were placed on the track so that the Velcro side of each cart was facing the other. This means that. Dry sand 200 19 40 21. They have opposite properties and have the ability to cancel or neutralize each other. 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. The Photogate sensors were used to measure the velocity of each cart as it moved from the explosion site. Place the strainer and lead in the hot water bath. This is based on the equation .5mv^2=.5kx^2, where m is the mass of the duck, v is the velocity of the duck in the air, k is the spring constant of the spring in the base of the duck, and x is the displacement that the spring is compressed. The standard cart moved to a velocity of zero and was still. The Logger. Another type of energy that we will study is called, gravitational potential energy (GPE) formula. Total score: ____ of 27 points (Score for Question 1: ___ of 3 points) 1. In each calculation below the initial momentum is calculated using the following formula. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. Measure the mass of the water in the calorimeter. Dry sand 100 19 63 44 Also make a hypothesis about which type of material will heat up the fastest. As the height decreases the GPE will decrease while its __________ increases. 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. complete other steps of the lab. This is a valuable physics lab skill. 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. Hypothesis- Answer the following question: Will an object reach the ground with more velocity than an . As mentioned in the research, projectile motion was shown when the marshmallow was launching. Record an initial temperature for each type of material C is a nutritional symbiont. E. PART II: Examining the Effect of Material Type on Thermal Energy Transfer and Specific Heat PDF Guidelines for a Physics Lab Reports - Baylor University A rod was used to push down the button on top of the plunger cart. This taught the very important concept of the conservation of momentum. ***Repeat steps 2-4 for each of the following: 5 mL of oil and 2 g each of cornstarch, sodium chloride, and sodium bicarbonate. with 300 mL of room temperature, add water to the calorimeter until you read 300 g of place the pellets in the strainer. I have a template, that is simple and clear to understand. For observation 1 and 2, pour 1 cup of water into a pan and place on stove on high heat. 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. PDF Half-Life Data-Teacher Answer Key - US EPA This was calculated using the following formula. Which samples will heat up faster? b. PDF Edgenuity Physical Science Energy Answers 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.
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