lab kinetic energy assignment lab report edgenuity answer key

If using two lamps, place three cups under each. If needed, place the calorimeter into a beaker or other secondary container to prevent wobbling. 4. Understanding of DG =G 2-G 1, the driving force A thermodynamically favorable reaction or process means DG < 0, that's to say, highly driven! The next condition tested was inelastic collisions. an object in motion Kinetic object rate of fall of an object was determined by its weight held that matter was constructed out. (d) We cannot predict how the balls will move after the collision. Upon graphing the data, the best fit line was identified in order to find the formula of the function. One cart was a standard cart with a rod on top. KE = KE = 2500 J 6. In explosions the kinetic energy increased greatly after the explosion occurred. These values were recorded, and the procedure was repeated five additional times for a total of six readings. ANSWER Step 5: Set Up the Titration a) Turn the cockstops off. Data are reasonably accurate. Trim off the bottom half of three foam cups. The standard cart was pushed towards the plunger cart, which was at rest. Using your data in Table B, calculate Twater and Tmetal , using Teq and Ti for each metal and our The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. Overall the total energy (_____________) is conserved. Consider the circuit in the diagram. 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 c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more When does the ball have the most kinetic energy? The volume is determined by measuring with a ruler and by water displacement. (Read Section 7 -3 for a thorough explanation of the W ork-Kinetic Energy Theorem.) Record all data in Table A, and calculate the Kinetic Energy Lab Report Edgenuity Answers. energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. This would force the carts to stick together after collision. at a height of 10 cm from the materials. Acids and bases are carefully regulated in the body by the lungs, blood, and kidneys through equilibrium processes. ***Repeat steps 2-4 for each of the following: 5 mL of oil and 2 g each of cornstarch, sodium chloride, and sodium bicarbonate. temperature change, T, for each sample. We traded experiments and materials with another group, so each group got a chance to watch an unbiased group perform their experiment. : an American History - Chapters 1-5 summaries; Analysis of meaning and relevance of History from the millennial point of view; Newest. Two carts, that had already been weighed, were placed in the track. Energy that exists by virtue of an object's motion is called the Kinetic Energy. - m is the mass Dry Sand 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. Measure 200 mL of water with the graduated cylinder and transfer it to an. An example of an elastic collision is a cue ball striking a billiards ball initially at rest. This could have caused the velocities to be slower than they should have been because there was a velocity due to the friction. 5. I will add credit to the file and on this post. In the presence of _____________ forces (like friction), the total mechanical energy is not conserved. The law of conservation of energy is a universal principle that says that the total energy of a system always remains constant. c. The three material types should be room temperature, but place a thermometer in each Precision is the closeness of repeated measurements. The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. The nonconservative work is the _________________________, Conservation of change in kinetic energy formula, Lab 9: Centripetal Force & Rotational Dynamics, Mathematical Methods in the Physical Sciences. 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. Although there will be less friction than sliding it across a rough table, it's still there. Explore different tracks and view the kinetic energy, potential energy and friction as she moves. Privacy Policy. This lab taught how to do calculations for multiple situations that involve momentum. The _____________________ is the change in mechanical energy, In the presence of nonconservative forces (like friction), the total mechanical energy is not conserved. Lab: Kinetic Energy Assignment: Lab Report 1 See answer Advertisement zlskfrum Answer: Explanation: In this lab, two pieces of rock, one big one small, are dropped from the same height onto mud. In the presence of nonconservative forces (like __________), the total mechanical energy is not conserved. Place the strainer and lead in the hot water bath. So, now that it's made, I hope it helps a lot of people to get work done especially if they're really behind! Energy is never created or destroyed, only converted between forms - this is known as the law of conservation of energy. mass. KE = mv2 KE = ? Calculate thenumber of radioactive atoms remaining after each halflife. Measure out approximately 50 g of aluminum wire using a mass balance. 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 The kinetic energy before and after the system was then computed using the above kinetic energy equation. A rod was used to push down the button on top of the plunger cart. . KINETIC ENERGY LAB || Edgenuity || Science Simply Explained by Ivy Alefante 1,119 views Premiered Feb 18, 2021 28 Dislike Share Save Ayvee CreARTes 1.47K subscribers This is just a guide to. L. Did your experiment follow the law of conservation of energy? Introduce the eight PH indicator strips in the eight . Let's start with GPE. Measure the height from which you'll be dropping your tennis ball. As the data is representative of a graphical parabola, a parabolic function was utilized to be the best fit trendline. Inquiry Lab Kinetic Energy and Motion Read the entire activity on pages 180 and 181 of the textbook. Wet sand 200 20 37 16. program was set up so that it would collect the Gate Time from each Photogate sensor. 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. . On the Logger Pro 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. Energy is transferred through vibrating particles of . 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. Student Guide (continued) a) Place the lid on the calorimeter, and insert the thermometer. Attached to the track were two Photogate sensors. Trim three more foam cups to half size. Endnotes: Make sure you record the mass in kilograms in your notebook. These equations are as follows: The purpose of this lab was to test the relationship between velocity, position and time. If not, why do you think that happened? c. Observe the increase in temperature every 20 seconds for 3 minutes, or until the bundle In this condition the two carts were placed together in the center if the Photogate Sensors. No items have been added yet! WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. You are never to simply list answers to considerations. These results are shown in the table below. Ionic bond, table salt. energy is also obvious, are known as elastic collisions. Science | Graded Assignment | Lab Report | Elasticity Name: Keli Parks Date: 8/14/2022 Graded Assignment Lab Report: Elasticity Answer the questions below. Lab Handout Lab 13. 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. 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. Close the lid snugly and make sure the thermometer is immersed Ionic bonds are also known as electrovalent bonds. 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. This is known as the conservation of energy. 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 Hypothesis- Answer the following question: Will an object reach the ground with more velocity than an . The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. Non-metals are stronger than metal and can get electrons easily from the metal. Kinetic factor refers to DGa, activation energy; while the thermodynamic factor refers to DG =G 2-G 1, the driving force. What is the diver's speed (in m/s) when he hits the water? 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. This is because of the law of conservation of momentum. d. Repeat Steps 4bc for 50 g of the steel wire. kinetic energy using a lab to visualize the effects of each. Get your timer ready and prepare to drop the ball. 4 0 obj stream The first step was to graph the distance-time graph from the data collected. This would give the velocity of each cart. M. Compute the s pecific heat of each type of metal. Lab #6 - Work-Kinetic Energy Theorem Therefore, if the work done by a particular force appears not to be equal to the change in kinetic energy of the object, then the system should by analyzed for possible work (positive or negative) done by other forces. The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. Ensure the cap is tight. calorimeter into a beaker or other secondary container to prevent wobbling. 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. does not begin to cool. What buret reading should you record when the liquid level is as shown in Figure 2? Whenever an object moves, some energy is converted to heat through friction. In class we learned about the principles of acceleration, time, and velocity. To unlock this lesson you must be a Study.com Member. e. Remove the steel wire sample and empty the calorimeter. I've been adding the answer key to my World History and Biology course. Edgenuity, Inc. 3 Mechanical Waves A carries energy through matter. % The raw data for the explosions is shown below. B is a filter feeder or a detritivore. a. Joule (J) 5. You wouldn't be wrong, but every object, moving or stationary, has energy. The function Positon=404.289cm/s^2(t^s) + 44.450cm/s(t) +4.876cm was identified.