



Potential And Kinetic Energy Pdf
Potential Energy is an NGO that alleviates poverty and protects the environment by enabling the adoption of improved cookstoves that reduce deforestation, and mitigate climate change. Potential and Kinetic Energy Potential energyand kinetic energyconstitute the total energy of a system. Where did the missing energy go? g 2h t = 2. The cars of a roller coaster reach their maximum kinetic energy when at the bottom of the path. Can you name any forms of energy? Scientists and engineers classify all the forms of energy into two main groups  potential energy and kinetic energy. 7 Work Done, Potential and Kinetic Energy Students should be able to: 1. Work done by a variable force. Point A is at a potential of +250 V, and Point B is at a potential of 150 V. Kinetic energy can be stored. I’m most proud of the interactive flip book which allows students to describe the potential and kinetic energy of a roller coaster. Kinetic and Potential Energy Practice Problems Solve the following problems and show your work! 1. Learn how the MASS of a paint bucket changes the amount potential and kinetic energy as the painter goes up a ladder. This means the quadratic form M(x) := Mijxixj. Work done by a constant force: Gravitational force V. and generating a force requires energy. Creative writing topics for class 2 free teeshirt business plan template simple business plan outline template feminist essays online 2018 need help with my homework free sample credit union business plan. This lesson plan explores kinetic and potential energy in relation to a tool familiar to knights and soldiers of the middle ages and early Renaissance: crossbows. pdf from CBA TAX 2 at Holy Name University. Energy Transformations in the Roller Coaster • The initial height of the cart determines how fast the cart travels, not the steepness of slope • Gravitational Potential Energy (GPE) the energy an object possesses due to its position. kinetic energy is energy that an object possesses as a result of its location, and potential is the same as heat energy. Use the gravitational potential energy equation, and rearrange it to solve for height. 2012  Higher The conversions of chemical energy to kinetic energy to potential energy occurs when you walk up a stairs. Baseball just before it is released by the pitcher Decide if each situation is an example of kinetic or potential energy. • Potential energy is the energy an object has inside a force field due to its position. Potential and Kinetic Energy Introduction. The energy can change forms (i. For this reason it is called potential energy, being “potential kinetic energy”, and written. Look carefully at the result. MSPS32 A system of objects may also contain stored (potential) energy, depending on their relative positions. In fact, the shapes of the potential and kinetic energy diagrams turned out to be identical, although inverted. Gravitational potential energy is the energy an object has when at a height above the floor. As long as the Earth turns and the moon keeps its appointed cycle, the oceans will absorb and dissipate vast amounts of kinetic energy  a renewable energy resource of enormous potential. Work, Energy, and Power is an important topic from JEE Main / JEE Advanced Exam Point of view. Potential and Kinetic Energy Worksheet. F O R C E ES, E N E R G Y, A N D M O T I O N Forces,Energy,andMotion Forces,Energy, and Motion Teacher’sGuide KNX96490V2 ©2008K'NEXLimitedPartnershipGroup anditslicensors. TEKS Lesson 6. An object with potential energy has the potential to do work. For example, when an object is placed on the table it possesses kinetic energy and contains ability to do work. All reading assignments are in PDF format. And feel free to share everything you want in social media just one click. While it was stretched, waiting for you to release it, it had. Click here for the PAINTER website. Concept: Potential and Kinetic Energy 1 Discovery Communications, LLC Getting to Know: Potential and Kinetic Energy What have you learned about energy so far? You might know that energy can exist in many different forms. This new combination of the basic. The brain pop is used with Kinetic energy, username: sunvalleymid Password: pop1 energyworkforweek. At Point A, gravitational potential energy is HIGH/LOW. Kinetic Energy The formula for kinetic energy is: KE mv= 1 2 2 The above equation states that the kinetic energy of a body is equal to one half the mass times the velocity squared. Kinetic Energy • Energy of Motion • Depends on the object’s mass and speed • KE = 1/2 mv2. kinetic energy 4. Energy Conversions – Potential & Kinetic Directions: Consider the two general types of energy (potential and kinetic) and describe all of the conversions taking place in the scenarios and visuals below. 3 Calculate the work done for constant forces, including forces not along the line of motion. Kinetic Energy, Potential Energy, and Work. This is in fact why such a force is called conservative  it conserves mechanical energy! The converse, however, is not true. You serve a volleyball with a mass of 2. Moving objects have one type of energy. Study the diagram in Part I of your Student Journal that shows potential and kinetic energy examples. This physical science activity includes a learning objective, standards correlations, student log sheets, learning extensions, and more. Presentation Description. Calculate the rock’s gravitational potential energy at 50 m, 20 m, 1 m, and 0 m high. Rodger Maris swung a bat which had a mass of 2 Kg at a velocity of 45 m/s. This kind of potential energy is known as gravitational potential energy. With the information you learned from the video in mind, how do WE get OUR energy (there’s more than ONE way)? Explain how that energy converts itself from POTENTIAL to KINETIC energy. Some kinetic energy is converted into sound and heat energy. its kinetic energy after it falls for 4. Saturation wind power potential and its implications for wind energy Mark Z. Energy Multiple Choice Homework PSI Physics Name_____ Multiple Choice Questions 1. Two kinds of energy are kinetic and potential. 173 #2 Two bullets have the mass of 3 g and 6 g, respectively. At what temperature does the substance begin to melt? 2. (a) How tall is the coconut tree? (b) (Advanced) If the coconut falls to the ground and all of the energy is changed from potential energy to kinetic energy, how fast would the coconut be moving the split second before it hits the ground? Ep= m= g= h= Ek= m= v=. Water Potential The chemical potential of water can be defined as the free energy per mole of water. The vertical lines mark the classical turning points, that is, the displacements for which the harmonic potential equals the energy. The ball leaves your hand with a speed of 30 m/s. A skier at the top of the mountain (a) Kinetic Energy _____2. Solar Energy Potential. The quantity E= KE+PEis then conserved, which is the total energy of the string undergoing vibrations. 2 Potential and Kinetic Energy builds on 6. Imagine a very massive collection of negative charges. An archer with his bow drawn _____ 3. the “potential for motion. In fact, the kinetic energy of the 0. A process occurs in which a system's potential energy increases while the environment does work on the system. An object gets potential energy from height, mass and gravity. dU = −F x dx A particle is in equilibrium if the net force acting on it is zero:. If the roller coaster car in the above problem were moving with twice the speed, then what would be its. Objective: Students will be able to explain the purpose of electrical energy, identify different forms of energy, and define, explain, and list forms of kinetic and potential energy. Describe the change in potential energy, kinetic energy, and total energy as the person falls. The energy needed to lift an object to a given height is equal to the gravitational potential energy the object possesses at that height. chemical energy  energy contained in chemical bonds between atoms and molecule. Use the gravitational potential energy equation, and rearrange it to solve for height. What is the rock’s gravitational potential energy at 100 meters high? 2. Define potential energy. The potential energy of a moving fluid is more useful in applications like the Bernoulli equation when it is expressed as potential energy per unit volume. Kinetic energy. When you grow up: a. It is also the "energy of position," which means that an object's power comes from gravity. KINETIC ENERGY Objects have energy because of their motion; this energy is called kinetic energy. Creative writing topics for class 2 free teeshirt business plan template simple business plan outline template feminist essays online 2018 need help with my homework free sample credit union business plan. water behind a dam and water flowing. notebook 6 October 19, 2016 Oct 67:25 PM 1. Describe the change in potential energy, kinetic energy, and total energy as the person falls. An example of elastic potential energy is the. 3 Calculate the work done for constant forces, including forces not along the line of motion. although both energies involve motion, only kinetic energy involves position. MSPS33, MSPS34 Temperature is a measure of the average kinetic energy of particles of matter. Then, choose the correct formula to use:. Along the way, we'll talk about work, kinetic energy, potential energy, conservation of energy, and mechanical advantage. Potential and Kinetic Energy Worksheet Kinetic Energy (KE) = ½ mass times velocity squared KE = ½ mv2 Potential Energy (PE) = mass times the acceleration due to gravity times height PE = mgh = N*h (g= 9. A block of mass m = 50 kg moves on a rough horizontal surface with a coefficient of kinetic friction µ = 0. = mass x height x gravity What is Elastic Potential Energy? Potential energy due compression or expansion of an elastic object. The kinetic energy decreases C. None of the above Find the angular acceleration. Find potential and kinetic energy lesson plans and teaching resources. Kinetic VS Potential Energy Practice Part 1: This graph shows a ball rolling from A to G. Potential Energy Potential Energy is energy of position. Marble Kinetic Energy. We say that the rock has potential. 11) When dealing with systems at the atomic or molecular scale, a joule (J) often turns out to. In this section, we will derive an alternate approach, placing Newton's law into a form particularly convenient for multiple degree of freedom systems or systems in complex coordinate systems. The rock has no kinetic energy, but if you threw it off the cliff it would have quite a bit of kinetic energy by the time it hit the valley ßoor. This tutorial we will briefly go through the kinetic energy basic questions. Kinetic Energy, Potential Energy, and Work. Potential energy is stored energy that will possibly become energy in motion. This kit includes a pendulum, a spring and a flywheel for experiments in potential and kinetic energy. Potential. (3/2)LMg E. kinetic and potential energy worksheet In this page we have kinetic and potential energy worksheet. kinetic energy 23 TRUE 9. For the examples below, write in the forms of energy involved in the picture using the terms “PE” and “KE” to represent potential and kinetic. Energy Can A Kinetic and Potential Energy Drink By Eric Muller Introduction: This is a new twist on the classic “RollBack can” (also know as a “ComeBack Can” or Magic Can”). A taller track gives the roller coaster more energy than a shorter one. The kinetic energy is at the maximum level, and the other two are zero. Compare a series of force/motion sketches showing different distances and select sequence that shows the best correlation between force, motion and distance. Potential energy is energy that is stored and waiting to be used in an object that is still. Imagine a very massive collection of negative charges. Remember that height is the change in height. Gravitational potential energy is greater when the mass of the object is greater because more kinetic energy is required to lift the heavier object. Potential Energy is an NGO that alleviates poverty and protects the environment by enabling the adoption of improved cookstoves that reduce deforestation, and mitigate climate change. Check your understanding of the relationship of kinetic energy to potential energy in this quiz/worksheet combo. The quiz below is designed to see how much you understand about these different types of energy. The spring’s potential energy is at the maximum level, and the other two are zero. They both have the same potential energy. (b) Using energy methods directly, the initial potential energy of the spring equals the final gravitational potential energy, or EVALUATE: The total energy of the system is constant. Golf Ball Kinetic Energy. Kinetic energy is associated with the motion of an object, and its direct consequences are part of everyone's daily experience; the faster the ball you catch in your hand, and the heavier it is, the more you feel it. All of the guesswork has been removed with this NO PREP lesson. Learn what kinetic energy means and how it relates to work. Vocabulary: • Kinetic energy – the energy of motion • Potential energy – stored energy What are some things that can cause kinetic energy to increase or decrease? Kinetic energy can be increased or decreased depending on an object’s mass and speed. Kinetic Energy Kinetic Energy is energy of motion. For example, a rubber band zinged from your finger has kinetic energy. We use energy everyday. Here are some practice questions that you can try. Potential and Kinetic Energy Explanation and Sample Problemsalternative notes and examples in case you learn better from a worksheet. Kinetic and Potential Energy PSLE Superstar (Science) – Lesson 3 ACE YOUR PSLE SCIENCE Lesson 25: Worksheet Questions. The only energy involved here is potential energy d. kinetic energy 4. Yr 8 T2 Alternative Energy Assignment. Potential and Kinetic Energy : Teacher Notes Introduction The focus of this investigation is to look at the two types of mechanical energy (kinetic and potential) and realize that the sum of the two is always conserved.  A ball rolling down a hill. Mechanics Lecture 9, Slide 17 CheckPoint D m H. Lecture L20  Energy Methods: Lagrange's Equations The motion of particles and rigid bodies is governed by Newton's law. (d) If, for a particle constrained to the x axis, the potential energy associated with. For example, with a. There is chemical energy in the foods we eat and in the fossil fuels that power our cars and planes. Converting Potential Energy to Kinetic Energy Objective: The goal of this project is to build a roller coaster for marbles using foam pipe insulation and other materials to investigate how much of the gravitational potential energy of a marble at the starting point is converted to the kinetic energy of the marble at various points along the track. The rest mass adds up only if the parts are standing still and do not attract or repel, so that they do not have any extra kinetic or potential energy. 2 m high table. And then it gets faster and faster. When the weight reaches Position 4, all the kinetic energy has been converted back to the same amount of potential energy it started with at 1. Plan your 60minute lesson in Science or energy transfer (Physics) with helpful tips from Sydney Schuler. Learn how the MASS of a paint bucket changes the amount potential and kinetic energy as the painter goes up a ladder. Look carefully at the result. Water at the top of a waterfall is an example of which type of energy? _____ 9. Contrary to this, the potential energy is the type of energy, which a body possesses by virtue of its position is known as the potential energy. This energy is stored and then, when the object falls, released as kinetic energy. Write a P on the line if it shows potential energy. The thermal energy (kinetic and potential energy) of the flame in the Bunsen burner/candle is transferred to the water. The pendulum has the most potential energy  the energy of position or stored energy  when it is highest above the ground. Materials list, setup instructions, and evaluation guide are included. The ball leaves your hand with a speed of 30 m/s. •If an object has more potential energy to start, then it will have more kinetic energy when it starts moving. The correct definition of Potential Energy is that it is the energy possessed by an object due to its position or configuration. Conservation of Energy. Energy, Work and Power WORKSHEET: KINETIC AND POTENTIAL ENERGY PROBLEMS 1. then the potential energy of the system can also change Potential energy can be defined for conservative forces only Examples: • gravitational potential energy • spring elastic potential energy 6 Connection between energy and force  hint Left side – the kinetic energy has been changed Right side – the change is equal to F x·d 2 2 2 0. (3/2)LMg E. The ball leaves your hand at 30m/s. Learn how the MASS of a paint bucket changes the amount potential and kinetic energy as the painter goes up a ladder. Energy cannot be created or destroyed. Sometimes kinetic energy is just fun. The brain pop is used with Kinetic energy, username: sunvalleymid Password: pop1 energyworkforweek. We can get that energy back as kinetic E if the ball falls back off. • Potential energy is stored energy. An object gets kinetic energy from its mass and velocity. Potential energy is broken down into 1) gravitational potential energy 2) elastic potential energy answer the first question. Kinetic Energy Kinetic Energy is energy of motion. This is a recurrent phenomenon in quantum mechanics. Recalling the origin of. Today was our first day of our third unit on Energy. Then choose the correct formula to use: KE= 1/2 m v2 PE = mass x gravity (10) x height OR Weight X Height 1. As the coin falls, potential energy is converted to kinetic energy. Stability To be precise, Eqn. 1 Forms of Energy. KineticPotential Energy Conversion : KineticPotential Energy Conversion Roller coasters work because of the energy that is built into the system. If Ball B has a kinetic energy of 1. These two forms of energy are often converted. Lab # – Energy Conservation Lab #7: Energy Conservation Goals: • Determine the spring constant, k, of your particular spring using a graphical method. Most of the kinetic energy starts as a different type of energy, such as potential, and is then converted. ppt), PDF File (. Neither one has. potential energy b. Potential energy is energy attributed to an object by virtue of its position. The total amount of energy stays the same. chemical energy  energy contained in chemical bonds between atoms and molecule. The property of body decides as to what kind of energy is contained in it. Displacement r from equilibrium is in units è!!!!! Ñêmw. Energy The ability of a system to do work. What is the car's kinetic energy? 2. MIDDLE SCHOOL PHYSICAL SCIENCE: KINETIC ENERGY AND POTENTIAL ENERGY Standards Bundle Standards are listed within the bundle. Atwood’s Machine & Energy Goal: To measure kinetic, potential, and total mechanical energy in an Atwood’s machine and to test the law of conservation of mechanical energy. Energy, Work and Power WORKSHEET: KINETIC AND POTENTIAL ENERGY PROBLEMS 1. We can get that energy back as kinetic E if the ball falls back off. So the answer is A. kinetic energy synonyms, kinetic energy pronunciation, kinetic energy translation, English dictionary definition of kinetic energy. The potential energy decreases while the kinetic energy increases. edu Using a reasonably accurate wave function, he described the formation of the chemical bond in terms of both kinetic and potential energy. The kinetic energy becomes negative 17. Consider the following seemingly silly combination of the kinetic and potential energies (T and V, respectively), L · T ¡V: (6. Kinetic energy can be defined as 2. Kinetic energy can be converted to potential and back again, in some systems without a loss of potential energy to heat. point B to Point C c. Examples of this can include, but are not limited to, lifting a book to a height of 2 meters instead of 1 meter; and lifting a basketball to a height of one meter and then lifting a bowling ball to. As the ball falls, the. Rodger Maris swung a bat which had a mass of 2 Kg at a velocity of 45 m/s. You will learn how to calculate the amount of kinetic or potential energy for an object. However, the water also still has potential energy as it falls. Work, Kinetic Energy and Potential Energy 6. Gravity Wells Potential Plus Kinetic Energy High School Chemistry Teacher's Guide. kinetic energy is energy that an object possesses as a result of its location, and potential is the same as heat energy. Potential energy is the stored energy of an interaction. Unlike the potential energy, the kinetic energy can be transferred from one body to another body by the process of collision. Potential energy is stored energy, energy that can be kept for use at a later time. 2) How can the WorkKinetic Energy Theorem be used to calculate the amount of work done by a nonconservative force? Show an equation relevant to the context of this lab. Students explore the concept of energy as work. the kinetic energy of an object increases as its mass increases. Mechanical energy is the sum of potential energy and kinetic energy of the system. A full roller coaster has more energy and force. Potential and Kinetic Energy Worksheet Kinetic Energy (KE) = ½ mass times velocity squared KE = ½ mv2 Potential Energy (PE) = mass times the acceleration due to gravity times height PE = mgh = N*h (g= 9. At Point A, kinetic energy is HIGH/LOW. Potential and Kinetic Energy 3. An object gets potential energy from height, mass and gravity. But harnessing. Both are fired with a. The sum of kinetic and potential energy in the system remains constant, ignoring losses to friction. POTENTIAL AND KINETIC ENERGY PRACTICE PROBLEMS Show all of your math when answering the problems below. The second form of energy, potential energy, or stored energy, is more important in the study of biological or chemical systems. Knauss RRHS. Therefore, we don't need the second term and an object's kinetic energy is just… K = ½mv 2. Conservation of Energy. Kinetic VS Potential Energy Practice Part 1: This graph shows a ball rolling from A to G. there is the potential for work to be performed, we term the energy “potential. Potential and Kinetic. Middle School Potential And Kinetic Energy  Displaying top 8 worksheets found for this concept. The residual energy of the ground state, that is, the energyinexcess of theclassical minimum, isknown as zero point energy. This energy is converted into kinetic energy (the energy of the movement of the car has while moving). Lecture 20: Energy Method Reading materials: Sections 8. A boulder is raised above the ground so that its potential energy relative to the ground is 20,000 J. Potential energy is the energy an object has due to its position, shape, or condition. 5 mJ when it has a speed of 0. Kinetic energy is energy possessed by a body by virtue of its movement. Page 1 of 3 Name: _____ Energy Skate Park Basics PhET Activity 1. KINETIC AND POTENTIAL ENERGY WORKSHEET Determine whether the objects in the following problems have kinetic or potential energy. The pendulum has the most potential energy  the energy of position or stored energy  when it is highest above the ground. point A to point B b. What are Kinetic and Potential Energy? 2. They will look at illustrations such as a sleeping dog and a windmill and label them as kinetic or potential energy. The potential energy of a moving fluid is more useful in applications like the Bernoulli equation when it is expressed as potential energy per unit volume. If an object is not moving, it has a. A bicyclist pedaling up a hill _____ 2. Yr 8 T2 Alternative Energy Assignment. After the ball rebounds, the elastic potential energy is transformed into kinetic energy, but it will never possess as much kinetic energy as during its original fall. Work done by a constant force: Gravitational force V. If an object has a particular initial kinetic energy , what points can the object get to?The object can get to any point with ; the graphical interpretation of this is that the object can get to any point below the line. Potential energy comes in various forms. It is the opposite of stored, or potential, energy. KINETIC ENERGY WORKSHEET 1. Based on relativistic velocity addition and the conservation of momentum and energy, I present simple derivations of the expressions for the relativistic momentum and kinetic energy of a particle. Remember the 3 Ps. The vertical lines mark the classical turning points, that is, the displacements for which the harmonic potential equals the energy. In other words, as the particle moves, kinetic energy is converted to potential energy and vice versa. Figure 20–1 Change in electric potential energy a) A positive test charge q 0 experiences a downward force due to the electric field E. Potential Energy is an NGO that alleviates poverty and protects the environment by enabling the adoption of improved cookstoves that reduce deforestation, and mitigate climate change. Define kinetic energy. It’s ready to be released into kinetic energy This ball has potential energy because of its height. 5 MeV and the electrons here have kinetic energies of 15 keV, so the nonrelativistic approximation is OK  we can use the rest mass for m. How much work. 8 m/s2on Earth) h = height (m) gh E m= p mg E h= p. 5 x 105 kg and a kinetic energy of 3. The unit of energy is J (Joule) which is also kg m 2 /s 2 (kilogram meter squared per second squared) Energy can be in many forms! Here we look at Potential Energy (PE) and Kinetic Energy (KE). Energy can take on different forms in a. An alpha particle is a helium nucleus that contains two protons and two neutrons; the neutrons are electrically neutral. Learn important energy laws, what potential energy is, how joules and calories are used to measure energy and much more. Potential and Kinetic. 0 kg bantha poodoo is dropped from a height of 7. Energy is not being converted 8) As the car moves from point A , to point B, and finally to point C, the total energy of the car. potential energy, being "potential kinetic energy", and written. The energy needed to lift the object is now stored in the object as gravitational potential energy. It is visible only through the motion of matter or other changes to matter that it causes. Students explore the concept of energy as work. Energy can be stored as potential energy, or it can have kinetic energy—the energy of motion. Hope you like them and do not forget to like , social share and comment at the end of the page. although both energies involve motion, only kinetic energy involves position. The conservation of energy principle, states that these changes are equal in magnitude and opposite in sign. Remember, kinetic energy is the energy of motion and potential energy is stored energy due to an object's shape or position. Electric Potential 3. Heat and Temperature. – A ball rolling down a hill. Potential & Kinetic Energy 1 Identify types of energy Define & calculate potential and kinetic energy Energy Objectives Use conservation of mechanical energy to solve for velocity drives all processes in all parts of Physics! Energy the thing that enables us to do work Mechanical Energy energy of position and motion in a system. We want to. Rotational Kinetic Energy Objective: The kinetic energy of a rotating disk and falling mass are found; the change in their kinetic energy is compared with the change in potential energy of the falling mass. There are many kinds of potential energy. Melissa and David were playing on the tire swing that hangs from the big oak tree in their yard. Over half of the items. potential energy, to show that the energy can do work, and to identify any kinetic energy observed. The lower the mass is, the higher the kinetic energy. When the weight reaches Position 4, all the kinetic energy has been converted back to the same amount of potential energy it started with at 1. As it starts to fall the potential energy begins to be changed into kinetic energy. Check out our fun energy facts for kids! Read about interesting types of energy such as solar, wind, kinetic, chemical, nuclear and geothermal. kinetic energy does it have? 7) What kinetic energy has a 4 kg shotput thrown with a speed of 13 m/s? 8) A train and a car are both traveling at 60 miles per hour. STAAR Science Tutorial 19 TEK 6. Homework, notes, assignments and stuff (there'll be quizzes and in class assignments added so make sure you check for updates!). 2 Potential energy is stored energy. By the end of this quest you will be able to: Identify the variables that effect an object’s gravitational potential energy; Identify the variables that effect an object’s kinetic energy. 7 While this is still miniscule compared to the energy release of a nuclear weapon, it clearly shows the lethal potential inherent in a KEW. Kinetic energy is the type of energy, which a body possesses by the property of being in the motion. A plate of pasta provides potential energy. This kit includes a pendulum, a spring and a flywheel for experiments in potential and kinetic energy. Figure 201 Change in electric potential energy a) A positive test charge q 0 experiences a downward force due to the electric field E. It is energy due to position. Both potential and kinetic energy b. Kinetic energy is the type of energy, which a body possesses by the property of being in the motion. The potential energy of a 40kg cannon ball is 14000 J. Kinetic Energy Kinetic Energy is energy of motion. 10) The SI unit of electric potential is volt (V): 1volt =1 joule/coulomb (1 V= 1 J/C) (3. The skier half way down the hill. Explain that this activity illustrates the transfer of energy in a wave. Introduction. When the planet is close to the sun, its potential energy is low and its kinetic energy high. Total Energy (E): The sum of all forms of energy exist in a system. * A Gravitational System chart is included to reference potential states of attraction * The topics of Contrast, Language, and more is discussed G Theory synthesizes the Science of Gravity with Law of Attraction, and looks closely at dark energy, dark matter, and black holes in spacetime. Car Coal Sandwich Wind Battery. 1 Kinetic Energy For an object with mass m and speed v, the kinetic energy is deﬁned as K = 1 2 mv2 (6. The quantity E= KE+PEis then conserved, which is the total energy of the string undergoing vibrations. Motion energy is properly called kinetic energy; it is proportional to the mass of the moving object and grows with the square of its speed. Energy for Ecosystems. There is chemical energy in the foods we eat and in the fossil fuels that power our cars and planes. Potential energy is energy due to the position of the body.