Conservation of energy test pdf. Answers also included for students to mark their own work.

Conservation of energy test pdf 1 expresses a basic statement of the Law of Conservation of Energy: “Energy can neither be created nor destroyed, it can only be changed from one form to another. The length of the video recorded should be 1 minute at most. Energy Conservation Energy cannot be created or destroyed, but it can be transferred usefully, stored or dissipated. , electric torch: chemical energy stored in battery → electric current transfers energy to lamp → light or heat energy → surroundings, e. Feb 1, 2017 · Conservation of resources (COR) theory offers a framework within which to understand responses to stress and suggests that stress results from circumstances involving threatened or actual loss of The energy that results during a chemical reaction. both momentum and kinetic energy are always conserved. Ignore air resistance and determine the kinetic energy, gravitational potential energy, and total mechanical energy at each of the heights indicated below: Sep 7, 2022 · The law of conservation of energy is the first law of thermodynamics. Potential Energy of Cylinder-Earth System Kinetic Energy of Cylinder Decreases Increases D Potential Energy of Cylinder-Earth System Kinetic Energy of Cylinder Decreases Decreases A student is conducting an experiment to analyze the mechanical energy of a block-spring system. There are many different energy stores that objects can have, these are shown in the table below: Energy Stores Table Sep 18, 2023 · The lost energy is transformed into heat or in other forms of energy. Students identify and investigate changes within systems caused by energy, and discuss efficiency and the use of technology in finding solutions to contemporary problems. Students begin to consider how well a sample or model represents the phenomena under study and use a range of evidence to support their conclusions. there is a continuous exchange of mechanical energy between two forms: kinetic energy contained in the moving glider, and potential energy stored in the stretched or compressed springs. What law states that the total Energy in an isolated system remains the same? A. We then verify that this energy is conserved on solutions of the wave problems utilizing the Law of Conservation of Energy. The kinetic energy of a 24-kg dog running at 22 km/h is a. Thus: Total Energy = Kinetic Energy + Gravitational Potential Energy (1) E =K. pdf CP3b SP3b Energy Efficiency WS MS v1. pdf CP3b SP3b Energy Efficiency WS v1. Some of that energy is transferred usefully to the kinetic store of the ball. 280 kg 0. The document contains a listening test with multiple choice and table filling questions about energy saving tips, volcanoes, and a chain store case study. energy in order to build an understanding of what others have done to test these renewable resources, and then craft their own inquiries on either solar energy, wind energy or water energy. pdf CP3b SP3b Extended Writing Task Reducing the Bills. pdf change in the kinetic energy will cause a corresponding change in the potential energy, and vice versa. You will use the World In NRG Conservation 18. An object is lowered into a deep hole in the ground. This energy is stored in such things as food (used by the body) for fuel. Answers also included for students to mark their own work. It contains 7 multiple choice and calculation questions about energy transfers and transformations involving flying squirrels, airplanes, solar panels, lamps, and golf balls. pdf CP3b SP3b Energy Efficiency AQS MS v1. It is then dropped. sum of its kinetic energy and potential energy. D will be equal to the gravitational potential energy of the car. efficiency B. kinetic energy G. Written: Supervised assessment. Assuming energy was not lost, the initial potential energy of the boulder is equal to the final potential energy of the stick figure. pdf CP3c SP3c Keeping Warm AQS MS v1. two of A, B 1) The document appears to be a science test on energy for 8th grade students. Gravitational Potential (GPE) – the energy store an object has due to its mass being held at a height above the Conservation of Energy - 6 The Lab The goal of this lab is to test the usefulness of the conservation of energy equation. The student knows that changes occur within a physical system and applies the laws of conservation of energy and momentum. Mostly fill-in-the-gaps, plus plenty of calculations. 13. A 2. Which of the following equations represents the Law of Conservation of Mechanical Energy. Students will reflect on what they might wish to tell and ask 6. These can be summarised as: Kinetic (KE) – the energy store of an object that is moving with a specific mass at a given velocity. energy conservation*, because there are no uncontrollable energy losses (like the energy lost when the bullet stops in and deforms the clay in the first part of the problem). The image below shows a student before and after a bungee jump. There are a few different ways of writing the formula for the law of conservation of energy. How does the potential energy of the object change? 6. 2 × 104 J ____ 11. Television A wastes less energy than television B. Each quantity can be used once, more than once or not at all. Study with Quizlet and memorize flashcards containing terms like system, environment, system boundary and more. Identify the body or bodies to be studied (the system). A car slows down as it descends a hill. E =constant (2) 2 = + E mv mgy 2 1 (3) If the total energy is conserved, a graph of E vs. The friction on the jump slope is The St Thomas the Apostle College document contains a 3-page exam on conservation of energy with multiple choice and short answer questions. You will encounter questions about the importance of saving energy, methods to reduce energy consumption, and the role of renewable energy sources. If possible, they should review their notes from lessons 2. Without being able to do that life would be very different. You may create a vlog/tiktok video for you to illustrate the conservation of mechanical energy. pdf CP3c SP3c Keeping Warm AQS v1. Students will reflect on what they might wish to tell and ask Oct 21, 2024 · The word 'conservation' in the sentence means keeping the total amount the same. kinetic energy is always conserved. doc / . . Useful as a homework before an end-of-topic test, as a revision lesson, intervention task or as cover work. (4) (Total for Question 6 = 7 marks) Nov 9, 2015 · Download full-text PDF Read full-text. 10 CFR Parts 429 and 431 [Docket Number EERE–2011–BT–STD–0031] RIN 1904-AC54 . Complete the sentences to describe the energy transfers. 0 e. However, the total mechanical energy, i. txt) or read online for free. 0 b. In this experiment, a cart is launched from | Find, read and cite all the research you CONSERVATION OF ANGULAR MOMENTUM Objective: The object of this experiment is to observe and analyze one-dimensional rotational collisions between two disks rotating about a common axis. Potential Energy is one of several kinds of energy discussed in this course. What is its total mechanical energy? (mechanical energy includes kinetic, gravitational potential, and elastic potential but not internal forms of energy such as thermal or chemical) This test covers Work, mechanical energy, kinetic energy, potential energy (gravitational and elastic), Hooke’s Law, Conservation of Energy, heat energy, conservative and non-conservative forces, with some Which of the following is a statement of the principle of conservation of energy? A. survey data collected from 600 households were used to test hypotheses on 6. ACTION: Final Rule. Co n-servation of energy requires Kinetic energy after the collision = Potential energy at the top of the swing, ½ (m + M) ×V 2 = (m + M) ×g×h. Up goes the stick person. Law of conservation of energy: The idea that energy can never be created or destroyed, only changed from one form into another. The idea that the total energy has the same value before and after a change is called conservation of energy. There are several forms of energy that we need to know, describe and give examples of. external link – collision concepts from hyperphyics. Present a video of activities at home showing conservation of mechanical energy is manifested. This means that for a closed system, the total amount of energy is constant. 6 × 102 J b. The Law of Energy Conservation tells us that the total mechanical energy of the system (i. They explore these concepts as they relate to the global carbon cycle. mass-energy equivalen ce C. is "energy of position". device Conservation of Energy Introduction Each of the two parts of this experiment will test if energy is conserved in a system. method with a simple experiment on the law of the conservation of energy. These were the principle of the conservation of energy and the principle of the conservation of mass. It also includes the theory of work, energy and the conservation of May 20, 2021 · (16) Energy efficiency is: the total amount of energy in a fuel; the amount of energy you get from a system divided by the total energy put into a system; the amount of energy gained minus the amount of energy lost; the amount of energy lost as heat to the environment (17) Which sector of society uses the most energy? Residential; Industry AP Physics Lab #6A: Conservation of Energy (Big Idea 4) 4. What is its kinetic energy just before it hits the ground? 19. Experiment: Dec 10, 2024 · The principle of conservation of energy states that: Energy cannot be created or destroyed, it can only be transferred from one store to another. the power transmitted by a system is proportional to the rate of transfer of energy (1. The law of Conservation of Energy states that energy cannot be created or destroyed - it can only be transferred from one type to another. E +P. C will be less than 0. It provides examples of questions that will assess understanding of energy transfers and transformations in electrical appliances, generators, springs, houses, and the human body. 2) It contains 10 multiple choice questions and 3 true/false questions covering different types of energy, energy transformations and transfers, and the law of conservation of energy. gravitational potential energy F. Find other quizzes for Physics and more on Quizizz for free! Energy Types. The energy transformed by the TV becomes spread out. This form of energy is also stored inside of batteries. docx), PDF File (. e. 75 A A A A A KE mv mv KE m v m v c The document provides a test on the topic of conservation of energy. Momentum is conserved for a system of objects pushing away from each other. 6. ü (2) 1. the gravitational potential energy decreases b. particles in the nucleus of an atom H. ASIDE: There are other kinds of potential energy. 1: Conservation of energy) The law of conservation of energy is so important that we will use it in Chapters 8, 9, and Oct 17, 2024 · Get Lenz’s Law and Conservation of Energy Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. heat is produced by friction d. 7 The energy transformed by the TV makes the surroundings warmer. Eric Linder . 11 initial final A A B B A A B B A A A A B A22 p p m v m v m v m v m v m v m v o o occ mm BA 3 3 0. ” (Equation 7. Jul 21, 2022 · PDF | The idea of "Conservation of Energy" is among the most significant and practical ideas in mechanics. National 5; Energy Test questions. The transformation of energy is a powerful concept that enables us to describe a vast number of processes: Experiment 7: The Conservation of Mechanical Energy (There is a pre-lab for this experiment. E. 3) The questions assess students' understanding of concepts like kinetic energy, heat energy, gravitational potential energy, and Conservation of Energy. Worksheet #7 – Energy and Elastic Collisions WS#7 Answers. 'E useful 'E in 13. Law of Conservation of Energy D. Download these Free Conservation of Energy MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. 1: The student is able to calculate the total energy of a system and justify the mathematical routines used in the calculation of component types of energy within the system whose sum is the total energy. A 100 g rubber band powered car is wound up so that 0. Equation 7. KEY: conservation of energy | energy | mechanical energy MSC: Test Generator | IN g6_u3 Pretest 6. ANS: A A is correct because kinetic energy is motion and potential energy is stored. But the total energy remains constant. hydroelectric 18. Choose quantities from the box. Which of the following is true? a. Explanation: Conservation of energy applies to isolated systems. Formulas for the Law of Conservation of Energy. What will be the kinetic energy of an arrow having a potential energy of 50 J after it is shot from a bow? 20. A boulder is raised above the ground so that its potential energy relative to the ground is 20,000 J. Download these Free Momentum Conservation MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. 1 The Concept of Energy and Conservation of Energy . 73 J c. • Connect the Motion Detector to the DIG/SONIC 1 channel of the interface. ____ 14. The total energy of a system stays the same. 1 J. pdf CP3b SP3b Energy Efficiency AQS v1. Conservation of energy applies to all energy transfers. 17 Video (time 1:51 min) The document provides instructions for a test on conservation of energy. 3 In an isolated systemü the total mechanical energy of a system remains constant. In which device mechanical energy is converted into electrical energy? In a generator, mechanical energy is converted into electrical energy. TOP: Conservation of Mechanical Energy: Define Law of Conservation of Energy. A ski jumper has 1. Explanation: For a body falling freely under the influence of gravity, the velocity increases as heigh decreases. That kinetic energy gets transfered to the stick figure. nucleons 19. This perfectly describes the concept of conservation of energy. neither momentum nor kinetic energy is conserved. Conservation of Energy We discuss the principle of conservation of energy for ODE’s, derive the energy associated with the harmonic oscillator, and then use this to guess the form of the continuum ver-sion of this energy for the linear wave equation. Energy conservation can be the best solution for the raising energy demand. Find other quizzes for Physics and more on Quizizz for free! Year 8 Science energy test 2014 Author: nikita giel Created Date: 9/1/2014 6:36:41 AM AP Physics Practice Test: Work, Energy, Conservation of Energy ©2011, Richard White www. This is because the law of conservation of energy states that in a closed system, the amount of energy remains constant over time. 2 2 1 2 1 22 2 3 B BB AA 0. Potential energy is a form of stored energy and is a consequence of the work done by a force A. State TRUE or FALSE: Conservation of energy applies only to isolated systems. Law of Definite composition C. The graph above represents the potential energy U as a function of position r for a particle of mass m. It outlines that the test is 40 minutes long and consists of 6 multiple choice and short answer questions worth a total of 40 marks. Kinetic energy: The kind of energy in moving things. Feb 28, 2024 · This bundle contains 4 tests and 10 quizzes on the work and energy unit in grade 11 physics. C. SUMMARY: The Energy Policy and Conservation Act of 1975 (EPCA Quantify energy, using box diagrams, and explain the idea of conservation of energy. mgh 15. Example 1: A bat hitting a ball. 4. universe, dark energy and the accelerating universe becomes a topic not just of great interest to research physicists but to science students at all levels. D. Energy Dissipation 44 Experiment 8: Conservation of Energy and Linear Momentum Advance Reading Text: Conservation of Energy, Conservation of Lin-ear Momentum, Mechanical Energy, Kinetic Energy, Gravitational Potential Energy, Elastic Potential En-ergy, Elastic and Inelastic Collisions. energy is the product of force and distance. Students are asked to define equations, calculate values, and explain energy changes and transfers in various systems. Worksheet #6 – Collisions Revisited Worksheet. UNIT 11: ENERGY CONSERVATION Approximate Classroom Time: Two 100 minute sessions In order to understand the equivalence of mass and energy, we must go back to two conservation principles which held a high place in pre-relativity physics. In today's lab, the potential energy is gravitational potential energy given by PE = mgy. 840 kg (b) The fraction of the kinetic energy given to the second ball is as follows. energy cannot be created, destroyed or transformed. ) M. (c) What is the kinetic energy of the case of beans just before it hits the ground? (d) At what speed do the beans hit the ground? 4. pdf), Text File (. 0 m. 5 × 102 J d. change in energy A. 1. no friction or drag etc. B will be exactly 0. ii) Potential Energy is the amount of "energy available to do work". State the Principle of Conservation of Energy. If the particle is released from rest at position r o, what will its speed be at position 3r 0? a. A. French mathematician and philosopher Émilie du Châtelet first proposed and tested the law in the 18th century. When the car is released the maximum kinetic energy the car attains: A will be at least 0. 0 c. crashwhite. 2. Remind students that the next lesson is a review quiz of Physical Science. Experiment with the number of balls, masses, and initial conditions. Hence, there is a reduction in potential energy but an increase in kinetic energy. Question 3 asks about calculating the weight and work done (a) Calculate the energy used by the train during this journey. energy = _____ J (3) b Draw a labelled Sankey diagram to represent these energy changes. g. electrical energy is converted to sound energy B. KJF §10. mc'T 12. Use the principle of conservation of energy to calculate the speed of the jumper in this position. 1 J of elastic potential energy is temporarily stored in the rubber band. TRUE; FALSE; Answer: a) TRUE . chemical energy is converted to kinetic energy D. As the total energy of a closed system remains constant, a loss of one form of energy must be equal to a gain in another form of energy. üü (2) 2. Right now the focus is on a kind of potential energy called gravitational potential energy. PE1+ KE1 = PE2 + KE2 = PE3 +KE3 Learn about the conservation of energy at the skate park! Build tracks, ramps, and jumps for the skater. Year 8 Science energy test 2014 Author: nikita giel Created Date: 9/1/2014 6:36:41 AM Dec 18, 2024 · Energy conservation is a critical topic that impacts our environment, economy, and future generations. 2019 IELTS Listening Actual Test 04 - Free download as Word Doc (. This quiz delves into the intricate realm of energy, from its basic forms and sources to advanced concepts in renewable technologies and energy conservation strategies. Law of Conservation of Energy The Law of Conservation of Energy states that the total amount of energy in a system remains constant. This Energy Conservation Quiz is designed to test your understanding of energy conservation principles and practices. Explore quizzes and practice tests created by teachers and students or create one from your course material. • Start Logger Pro program. In Part I, you will measure the potential and kinetic energies of a roller coaster rolling down a track, using those values to find the total energy of the roller coaster over time. The student jumps off the bridge. 0 kg ball is dropped from a height of 20. B. 8 – 2. conservation of matter and energy and begin to develop a more sophisticated view of energy transfer. By participating in this J of energy are supplied to the light bulb by electricity. Question 2 is about a solar-powered aircraft and calculating solar cell efficiency. Identify useful and wasted energy transfers and calculate efficiency from written questions and Sankey diagrams. 2 E K 1 b electrical energy → heat to heater element, some heat → surroundings 1 1 2 a any two from: e. This means the total amount of energy in a closed system remains constant The total energy transferred into a system must be equal to the total energy transferred out of the system Oct 31, 2024 · Get Conservation of Energy Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Complete the equations for kinetic energy and gravitational potential energy (GPE). 3. The only way to increase the May 10, 2018 · Revision sheets (3 pages) covering the specification for Edexcel GCSE 9-1 Combined Science Physics CP3 Conservation of Energy. Energy Conservation Program: Energy Conservation Standards for Pumps . The energy may be transformed from one type to another, from kinetic to potential or kinetic to heat, but the total amount of energy is conserved. Download these Free Lenz’s Law and Conservation of Energy MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. ) Purpose: The objective of this experiment is to test the idea of Conservation of Mechanical Energy in a situation in which we can assume that all non-conservative forces (friction) can be neglected. B is incorrect because both types of energy can be measured. . You’ll be challenged to identify different energy types, understand how they are harnessed, and recognize their impacts on our Worksheet #4 – Intro to Conservation of Momentum 1D. State two examples of energy transformation in a thermal power station Calculate the energy transferred in each of the following situations. The conservation of energy then dictates that, K + U = 0 (2) where K is the change in the kinetic energy, and U is the change in potential energy. View the skater's kinetic energy, potential energy, and thermal energy as they move along the track. Oct 8, 2015 · Unformatted text preview: AP Physics Test — Work, Energy, and Conservation of Energy Part 1. Energy test Description. The testing of these inquiries is best completed outside. Often, in applications of the principle of mechanical energy conservation, we study more than one body at the same time. Vary the elasticity and see how the total momentum and kinetic energy change during collisions. , the sum of the kinetic and potential terms) remains constant in time. The total energy in an isolated system is constant. com 0 4. I. (b) Calculate the height gained by the train during this journey. Equipment: Air track, Blower, Glider and an Aluminum 1 Conservation of Energy 13 2 Simplifying the Energy Zoo 27 3 Work: The Transfer of Mechanical Energy 39 among different test tubes. So, according to the Law of conservation of total energy “Energy may be transformed from one kind to another but it cannot be created or destroyed. Combined they are 33 pages long. Determine whether each force that does work is conservative. Light energy: The kind of energy given out by light bulbs, candles, etc. Kinetic energy is now transformed into potential energy. Some of that energy is dissipated by heating to the thermal store of the bat, the ball, and the Substitute this relationship into the momentum conservation equation for the collision. what happens to the energy in a system when a force does positive work? 1. , the sum of potential and kinetic energy always remains constant as per the law of conservation of energy. Illustrate a situation that demonstrates conservation of mechanical energy. 1. E mc2 16. It also Dec 20, 2024 · Examples of Energy Conservation. d. Multiple Choice (5 points each) Choose the one best answer to each of the following probéems. Law of Conservation of Momentum B. Measure the speed and adjust the friction, gravity, and mass. Jan 23, 2019 · A KS3 lesson on the conservation of energy. The principle of conservation of energy states that: Energy cannot be created or destroyed, it can only be transferred from one store to another. Review Notes and Problems 11. AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy. quantity of thermal energy D. Which of the following statements about the conservation of momentum is not correct? a. Question 1 asks about the energy transfers that occur in an electric car and how to calculate motor efficiency. sound energy is converted to electrical energy C. You will test the law of conservation of angular momentum and determine whether or not rotational kinetic energy is conserved during the collision. Law of conservation of Mass 4. Humans have advanced because we have learnt how to change energy from one form into another. The energies at these four prominant times are all equal. 1 . the kinetic energy increases c. Conservation of Energy quiz for 10th grade students. i) Potential Energy P. The new found COVID-19 method of delivering test samples 1. the total energy of an isolated system is constant. Conservation of energy is the hallmark organizing principle in all sciences. Potential energy is usually meaningful when it changes - when work is done or when it is converted from one form to another, just like when a ball is released from a high place, the potential energy will then be converted to kinetic energy as it falls. electrical energy is converted to thermal energy When a person bends a glow stick, a small chamber inside it breaks, releasing a substance that reacts with other substances inside the glow stick. 10 ""7 The constant force F with components Fx = 3 NewtOns and FY : 4 Newtons, shown above, acts on a body while that body moves from point P (x=2 meters, y : 6 meters) to the point Q (x = 14 m, y : 1 in). Example: simple pendulum or slippery dip (if friction & air resistance are negligible). 17. mark ) 2 Which This test covers Work, mechanical energy, kinetic energy, potentialenergy (gravitational and elastic), Hooke’s Law, Conservation of Energy, heat energy, conservativeand non-conservative forces, with some problems requiring a knowledge of basic calculus. ” Test: Conservation Of Energy And Power Test students can find the PDF of the Science for Grade 6 Energy and all the other related chapters of Grade 6. (1) (c) Two different makes of television, A and B, transform energy at the same rate. Apr 1, 2021 · PDF | Energy efficiency and energy conservation (EEAEC) is the forerunner to an ideal energy solution for sustainable development. form of potential energy is involved in winding a pocket watch? 5. 4 E P at 3,1 m + E K at 3,1 m = E P at floor + E K at floor ü 151,9 + 0 = 0 + E K at floor ü ÑE K at floor = 151,9 J ü (3) 2. Year 8 Science – Energy test (PDF, 573 kB) Contents: Teacher guidelines; Task-specific standards - continua Think you understand how energy powers our world? Test your knowledge with our Energy Quiz. Fission of uranium nuclei is used to heat water. Worksheet #5 – Intro to Conservation of Momentum 2D. = K + U = constant Note that U and K can include such things as elastic potential energy, rotational kinetic energy, etc. Study with Quizlet and memorize flashcards containing terms like Law of Conservation of Energy, Potential Energy, Kinetic Energy and more. amount of energy required to melt a sample E. Energy from the Earth’s core is used to heat water. The energy transformed by the TV will be destroyed. time should be a horizontal line Dec 25, 2024 · Get Momentum Conservation Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. 1 Kinetic energy is the energy an object possesses as a result of its motion. Investigate simple collisions in 1D and more complex collisions in 2D. Natural gas: Fossil fuel formed from the remains of dead plants and animals that Dec 3, 2024 · Conservation of Energy. The moving bat has energy in its kinetic store. 2 1 mv2 14. It is a type of potential energy that is stored within bonds between molecules. ____ 10. Quiz yourself with questions and answers for Law of Conservation of Energy - practice test, so you can be ready for test day. a Calculate the amount of energy transferred as light. The student is expected to: (B) investigate examples of kinetic and potential energy and their transformations; (D) demonstrate and apply the laws of conservation of energy and conservation of momentum in one dimension. This exploration led to the definition of two major types of energy—mechanical energy \((KE + PE)\) and energy transferred via work done by nonconservative forces \((W_{nc})\) But energy takes many other forms, manifesting itself in many different ways, and we need to be able to deal with all of these before we can write an equation for the above general statement of the conservation of energy. Conservation of Mechanical Energy Under the influence of conservative forces only (i. b. heat pump 17. C. 2 × 104 J of potential energy at the top of the ski jump. Identify all forces acting on the body or bodies. Collisions – Deeper Analysis. Gases from rotting plant material are burned to heat water. Objective To determine the velocity of a ball as it leaves the bal- DEPARTMENT OF ENERGY . Part A – Playground Ball • Measure and record the mass of the ball you plan to use in this experiment. 8 × 103 J e. c. Materials Needed: “The Law of the Conservation of Energy” Unit 2. The topics covered are: Solving for work, kinetic energy, gravitational potential energy, power, efficiency and the conservation of mechanical energy. , candle: energy from chemical reactions when candle burns energy in order to build an understanding of what others have done to test these renewable resources, and then craft their own inquiries on either solar energy, wind energy or water energy. Energy is essential for everyone of us. This means that energy can change from one form to another, but the total amount of energy in the system remains unchanged. 5. The Oct 10, 2022 · CP3b SP3b Efficiency Exam Questions v1. ogebv ldufux uds xdvlbx phcsjnbj otkvtw jkrumn xlp impf yquj