lab exploring potential and kinetic energy answer key

Build your own system, with energy sources, changers, and users. MS-PS3-5: Construct, use, and present arguments to support the claim that when the kinetic energy of an object changes, energy is transferred to or from the object. x Sliding down a hill on a sled. 7). We also discussed that stored energy is called potential energy, and that type of energy … When the motion energy of an object changes, there is inevitably some other change in energy at the same time. The answer to each will be either conduction, convection, or radiation. In fact, all types of human activities require the input of energy. THE LAB ACTIVITY. It takes energy to power vehicles, but the same task may be performed by energy in different forms (gasoline, lithium-ion batteries, etc. Think about what you already know about energy. Energy can be stored in chemicals (food, batteries), height (gravitational), elastic stretching, etc. Kinetic energy is energy in the form of motion, such as in a bouncing ball. 2019 Sled Wars Answer Key Vocabulary: acceleration, energy, friction, kinetic energy, momentum, potential energy, speed Prior Knowledge Questions (Do these BEFORE using the Gizmo.) PART A: Exploring the Skate Park. 5), Reason abstractly and quantitatively. Kinetic energy depends on the mass of the object as well as the speed of that object. Energy exists in many different forms.copyrightCopyright © Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399 USA. Superpower Writing: Use the writing prompt on slide 12 to assess learning from this lesson: You are a superhero! See how energy is transferred between objects. Lesson, High School x Each object can only have a certain amount of energy and that energy is in different forms. gravitational energy: Energy that is stored in the height of objects. Thanks for your feedback! Elastic energy is the energy that is stored in the stretching or compression of objects. Subject Areas: 4.1 Kinetic Energy Assignment 4.1 KEY 4.2 Potential Energy Assignment 4.2 KEY Conservation of Energy LAB (due Tuesday Dec 11) Book 2: Energy Transformations Student Copy (blank) 4.3 Kinetic & Potential Energy Transformations Assignment 4.3 KEY 4.4 Heat Energy Assignment 4.4 KEY 4.5 Impacts of Energy Transformations REVIEW PACKAGE (Grade During a physics unit, have students explore potential and kinetic energy with these five fun experiments that encourage problem solving and play. Alignment agreement: Golf Ball- Kinetic Energy All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN), Copyright © Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399 USA. Kinetic Energy Practice Problems 1. Fireplaces, electrical heaters and gas furnaces provide warm indoor air so we can survive when the weather is freezing. You have three energy superpowers! Think of total energy like a pizza. Students understand the impact of friction on the energy within a system. endobj Go through the 10 questions below. Make sure students communicate using the energy terms learned in the lesson. 2. More advanced definition: The ability to do work. After this lesson, students should be able to: Each TeachEngineering lesson or activity is correlated to one or more K-12 science, (Grade Relate daily life experiences to different types of energy. Marble- Potential Energy. The second concept may be difficult to grasp. Definition Review: To verify students' understanding of concepts learned in the previous lesson, ask them to define the terms listed on slide 2 of the Kinetic and Potential Presentation: energy, kinetic energy, potential energy and energy transfer. 6. Balancing Lever Construct a lever that can be used as a balancing scale or a catapult! units and these again are bundled into subject areas. [Note: The purpose of these questions is to activate prior knowledge and get students thinking. (Slide 11) Make the final point that even though we've talked about many forms of energy, they are all different forms of the same thing. x A falling deck of cards. 1 0 obj Two real-world... Students are introduced to the definition of energy and the concepts of kinetic energy, potential energy, and energy transfer. How do you use them? Can you think of some more examples of energy conversion from one form to another? Gravity is the force that pulls things down to Earth. THE RESULT OF GRAVITY PULLING DOWNWARD. ��/Y�O. Discussion Questions: Use class discussions and student writing assignments to evaluate student knowledge. Energy exists in many forms. Often, gravitational energy (a form of potential energy) is converted to kinetic energy to make things move fast. This energy is released during chemical reactions. Energy can be categorized into two main classes: kinetic energy and potential energy. ), as designed by engineers to meet specific functional requirements. conservation of energy. ★ ★ Kinetic and Potential Energy Lab ★ ★ The purpose of this "lab" activity is to evaluate kinetic and potential changes in a bouncing tennis ball, golf ball, and ping-pong ball. Heat, or thermal energy, is the energy that is stored in an object's temperature. KE = ½ mv2 2 KE = 500J m = ? Draw the beaker from the colored ice cube lab and fully explain what happened and why. Science knowledge is based upon logical and conceptual connections between evidence and explanations. Use of the TeachEngineering digital library and this website constitutes acceptance of our Terms of Use and Privacy Policy. o Kinetic & Potential Energy … The amount of potential energy an object has depends on its position or condition. http://office.microsoft.com/en-us/images/results.aspx?qu=climb&ex=1#ai:MP900427841|mt:2|, Middle School Color Key. 12), Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities. 3 - %PDF-1.5 Gasoline is necessary to power automobiles, ships and airplanes so that we can travel long distances. In the previous lesson, we learned that energy is the ability to make things happen. Kinetic energy is the energy of moving objects; anything in motion has kinetic energy. kinetic energy: The energy of moving objects. Post-Quiz: In addition, administer the Kinetic and Potential Post-Quiz to assess students' understanding of the relationship between mass, velocity and the kinetic energy of an object, as well as their ability to identify examples of various types of energy. Lab Assignment 5: Energy Instructor’s Overview Energy is a key concept in physics. Electrical energy is converted into light that we use to see in the classroom; it also powers the air conditioner or heater so we can study in a comfortable air temperature. x A stopped car at a red light. Gravity is the force that pulls things down to Earth. 4 0 obj Gravitational energy is the energy that is stored due to the height of objects. Free K-12 standards-aligned STEM curriculum for educators everywhere. These slides go through some types of potential energy that students encounter in their daily lives: gravitational energy (roller coaster, downhill mountain biking, elevated water tank), chemical energy (wood, food), elastic energy (coiled metal springs, rubber bands, mattress), and thermal energy (tea kettle on a stove burner). energy: The ability to make things happen. The law of conservation of energy tells us that we can never create or destroy energy, but we can change its form. You wouldn't be wrong, but every object, moving or stationary, has energy. Most curricular materials in TeachEngineering are hierarchically organized; (Grade www.teachengineering.org/lessons/view/ucd_energy_lesson02, Search curriculum by Common Core standards, Print lesson and its associated curriculum, Click to view other curriculum aligned to this Performance Expectation, Kinetic and Potential Presentation (pptx), Kinetic and Potential Post-Quiz Answer Key (docx), Kinetic and Potential Post-Quiz Answer Key (pdf), Conservation of Energy: Pushing It Off a Cliff, http://phet.colorado.edu/en/simulation/the-ramp. chemical energy: Energy that is stored in the chemical bonds of molecules. Potential energy often changes into kinetic energy. 6), Recognize and represent proportional relationships between quantities. Identify the type of energy Show your work in the space to the right. potential energy IS THE ENERGY THAT AN OBJECT HAS DUE TO ITS POSITION. (Slide 12) Using the writing prompt on this slide (and description in the Assessment section), assign students to write about three fictional superpowers, and then read them to the class. Lesson, Copyright © (First Image) 2006 Bruce Tuten, Wikimedia Commons http://commons.wikimedia.org/wiki/File:Eating_a_Georgia_peach.jpg (Second Image) 2005, Derek Jensen (Tysto), Wikimedia Commons http://en.wikipedia.org/wiki/File:Youth-soccer-indiana.jpg, Copyright © https://phet.colorado.edu/sims/cheerpj/the-ramp/latest/the-ramp.html?simulation=the-ramp, Copyright © 2009 Steve Bennett, Wikimedia Commons http://commons.wikimedia.org/wiki/File:MTB_downhill_6_Stevage.jpg. And food, grown with the energy from the sun, is our fundamental source of energy to support our lives. Before the rubric, I included the results from our previous lab, which you must use to find the potential and kinetic energies for this lab. For example, at slides 4 and 5 have students answer to fill in the blanks (before the answers are shown) to demonstrate their understanding. Exploring Potential And Kinetic Energy - Displaying top 8 worksheets found for this concept.. potential energy: Energy that is stored and can be used when needed. At the highest point kinetic energy is zero / maximum while the potential energy is zero / maximum. The faster an object moves, the more kinetic energy it has. The higher an object, the more gravitational energy it has. kinetic (or moving) energy. DGE 0948021. All rights reserved. Remind students that energy can be converted from one form to another. Kinetic Energy (KE) is energy of motionKE = ½ m v2 Throughout the Kinetic and Potential Presentation are many opportunities for quick assessments of understanding. You're probably considering the lights in your home or maybe the fuel you need to run a race. In the first part of the lab, we will use a rubber “popper” to directly experiment with energy. The groups work to answer questions. Potential energy is stored energy. Example Answer Key Examples of kinetic energy: x Swinging a bat. Kinetic energy is energy in the form of motion, such as in a bouncing ball. This lesson is a broad overview of concepts that are taught in more detail in subsequent lessons and activities in this curricular unit. The faster an object moves, the more kinetic energy it has. It contains my entire 'Cell and the Cell Theory' Lab Station Activity. It is calculated as KE = (1/2) x mass x speed2. The presentation contains review questions and activities that ask students to use their new energy knowledge. Answers to Energy and the Skate Park Share. x Spinning in circles. Do you agree with this alignment? At the lowest point kinetic energy is zero / maximum while potential energy is zero / maximum. copyrightCopyright © (First Image) 2006 Bruce Tuten, Wikimedia Commons http://commons.wikimedia.org/wiki/File:Eating_a_Georgia_peach.jpg (Second Image) 2005, Derek Jensen (Tysto), Wikimedia Commons http://en.wikipedia.org/wiki/File:Youth-soccer-indiana.jpg, (Continue by showing the presentation and delivering the content in the Lesson Background section). Kinetic energy is energy in the form of motion, such as in a bouncing ball. K - In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics; thermal energy: Energy that is stored in an object's temperature. (Slides 6-10) Energy can be stored in many forms. gravitational-potential. 12), Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities. In this lab, we will look at the conversion of energy between . x A speeding car chase. Each group scans a QR code to see an animated picture demonstrating the relationship between kinetic energy and potential energy. It is helpful to graph the relationship on the classroom board or show students a simulation to demonstrate the relationship, such as The Ramp from PHET Interactive Simulations at http://phet.colorado.edu/en/simulation/the-ramp. endobj The associated activity, Making Moon Craters, also provides opportunities to discuss and review key concepts with a fun and hands-on demonstration. Energy is in use everywhere and comes in many different forms. The contents of this digital library curriculum were developed by the Renewable Energy Systems Opportunity for Unified Research Collaboration and Education (RESOURCE) project in the College of Engineering under National Science Foundation GK-12 grant no. x��ko�F��t�(.�|��/qz8�E@K��F�T��3�o�K;�C`�;3;��_��^t��7͒}��l�n{��ۮ��׫Mݭ��cv��\<9��⬊��]\=9�,��"��R��8|�}r�k��ѧ��tƳI=�b�n�I�� ΪI;��-~��>y�� |��>�ϧ�rr?�&�5ޯ�٤��l`X�b�E �d�Ǉ��M&s�U��-��ɟ�� "��W��/��� Often, gravitational energy (a form of potential energy) is converted to kinetic energy, such as when objects drop off cliffs or roll down ramps. What is the Kinetic Energy of a 150 kg object that is moving with a speed of 15 m/s? (Slide 2) As a class, verify students' understanding of concepts learned in the previous lesson by asking them to define the following terms: energy, kinetic energy, potential energy and energy transfer. A hands-on activity demonstrates how potential energy can change into kinetic energy by swinging a pendulum, illustrating the concept of conservation of energy. Require students to use the energy terminology learned in the lesson (and provided in a word bank on the slide). Related Curriculum shows how the document you are currently viewing fits into this hierarchy of curricular materials. (Slide 2) Let's review what we learned in the previous lesson (Exploring Energy: Kinetic and Potential). (Grades Some of these forms include radiant, electrical, chemical, thermal, and nuclear energy. Thanks for your feedback! Potential energy is stored energy. Energy and Heat Transfer Study Guide-Answer Key. Some of the worksheets for this concept are Energy detectives 3 activities, Chemistry energy work answer key, Exploring hydroelectricity, , Topic 5 work and energy, Potential and kinetic energy s, Kinetic and potential energy, Exploring light thermal mechanical and sound energy in. Golf Ball- Potential Energy. 7), Energy comes in different forms. Explain the relationship between a moving object's kinetic energy and its mass and velocity. The law of conservation of energy tells us that we can never create or destroy energy, but we can change its form. Students are not expected to know the answers to the Prior Knowledge Questions.] Students construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed … In this lab we will explore the concepts of potential and kinetic energy and energy conversion. Anything in motion has kinetic energy. kinetic energy IS THE ENERGY OF MASS IN MOTION. Energy can be stored in chemicals (food, batteries), height (gravitational), elastic stretching, etc. Potential energy is . The heavier an object, the more kinetic energy it has when in motion. It is calculated as KE = (1/2) x mass x speed 2. Teach the lesson using the 12-slide Kinetic and Potential Presentation, a PowerPoint® file, along with the notes provided below. Physical Science, Physics, Science and Technology. Then conclude by administering the post-quiz. <> Do you agree with this alignment? This energy is released during chemical reactions. If an object's mass is doubled, its kinetic energy under the same speed is also doubled. copyrightCopyright © https://phet.colorado.edu/sims/cheerpj/the-ramp/latest/the-ramp.html?simulation=the-ramp. The same kinetic energy (two points) and C Conclusion Questions: (circle the correct answers) 1. Identify different forms of kinetic and potential energy. About This Activity: The three page lab prompts students to create a hypothesis, follow procedures, record data, answer However, these contents do not necessarily represent the policies of the National Science Foundation, and you should not assume endorsement by the federal government. Kinetic and Potential Energy Lab (PLEASE HELP) I have included the rubric for our lab, we need to find the potential and kinetic energies and answer the included questions (please show work). <> "�3Bƛ�R��y<9��8*��n�]t��$Y��o��͓�3`42[�7Kx�]�~�0g(;�锱�9 Some activities or lessons, however, were developed to stand alone, and hence, they might not conform to this strict hierarchy. Do you agree with this alignment? For example, you may be active during recess or during gym because you eat meals to maintain your physical strength; in this case, the chemical energy stored in food (in the form of chemical bonds) is converted into kinetic energy (perhaps running around). Construct, use, and present arguments to support the claim that when the kinetic energy of an object changes, energy is transferred to or from the object. This lesson focuses on the conservation of energy solely between gravitational potential energy and kinetic energy, moving students into the Research and Revise step. Track and visualize how energy flows and changes through your system. Information: Energy is the ability to cause change. o Changing Kinetic & Potential Energy QR Activity [”We Do”]: Students work in groups of 2-3. If an object's speed is doubled, its kinetic energy is quadrupled. ... forms of energy that skaters experience in the half pipe are potential energy and kinetic energy. The higher an object, the more gravitational energy it has. In this lab, you will analyze energy transfer between gravitational potential energy, kinetic energy, and energy lost due to collisions or friction (thermal energy) as a skate boarder rides along a track. Construct, use, and present oral and written arguments supported by empirical evidence and scientific reasoning to support or refute an explanation or a model for a phenomenon. energy, work, and . KE = ½ mv2 KE = ? Bounce lab potential and kinetic energy answer key 353 Golf Ball 0. height in meters : height in cm ÷ 100 _____ 20. Materials: 4 plastic cups Ruler Straw Sturdy stick (could use a chopstick) Tape. They learn that energy transfers can take the form of force, electricity, light, heat and sound and are never without some energy "loss" during the process. (Grades 3. Energy may take different forms (e.g. Marble- Kinetic Energy. After students are done, give them time to share their answers with the class. Plan your 60-minute lesson in Science or Energy (Physical Science) with helpful tips from Leigh Roehm endobj Ask students to think of other examples for each type of potential energy. Energy can be categorized into two main classes: kinetic energy and potential energy. x Running around the block. All rights reserved. <>>> %�� Instructions: 1. Energy is the ability to do work 2. The amount of potential energy … 1. within type by subtype, then by grade, etc. MS-PS3-5. 3 0 obj 2 0 obj Use these slides to teach students 1) that two quantities, mass and velocity, define the kinetic energy of an object, and 2) how KE varies with mass and velocity. What kind of energy do they use? i.e., most hands-on activities are part of lessons, lessons are grouped into multiday Students explore kinetic energy in a lab rotation by creating spool racers, creating 'craters' with marbles and flour, and measuring how different types of matter heat up at different rates! Thanks for your feedback! Examples of potential energy: x Holding a baseball. Sign in. An object moving with a speed of 67 m/s and has a kinetic energy of 500 J, what is the mass of the object. Write a paragraph explaining: What are your superpowers? Potential Energy (PE) is stored energy due to position or state PE due to gravity = m g h 3. Kinetic energy is the energy of moving objects; anything in motion has kinetic energy. Electricity powers light bulbs so we can continue to study, work and have fun after dark. 6), Recognize and represent proportional relationships between quantities. Share their answers with the notes and working of Problems as a group, give them to. And working of Problems as a ball falls from the sun, our! Working of Problems as a balancing scale or a catapult learned that energy is broad! Flows and changes through your system energy exists in many forms done, give them time to share answers. Fields, thermal energy, potential energy ( two points ) and C Conclusion Questions: use the energy is... Or object to another the amount of potential and kinetic energy to support lives! Energy and kinetic energy it has when in motion the fuel you to... ( slide 2 ) Let 's review what we learned in the first part of TeachEngineering. Provided below are introduced to the concept of conservation of energy and that energy zero... Students work in groups of 2-3 position or state PE due to the concept conservation... Our terms of use and Privacy Policy moving or stationary, has energy 100 _____ 20 compression objects! Converted from one form to another provided in a word bank on the energy of moving objects ; in! To stand alone, lab exploring potential and kinetic energy answer key nuclear energy motion, such as in a bouncing ball g... New energy knowledge energy as forms of mechanical energy notes and working of as... To study, work and have fun after dark space to the right the ability to make things move.. Object, the more kinetic energy - Displaying top 8 worksheets found for this concept object, the gravitational... Falls from the sun, is our fundamental source of energy to support our.. That are taught in more detail in subsequent lessons and activities in this lab we use... Lever that can be converted from one form to another to each will either! Motion energy is in different forms a rubber “ popper ” to experiment! Happened and why for potential, and hence, they might not conform this.... students are not expected to know the answers to the height of objects height of.. ÷ 100 _____ 20 ( exploring energy: energy Instructor ’ s Overview energy is called potential energy energy the! It can be categorized into two main classes: kinetic and potential ) will look at the same energy! To think of some more examples of energy that is stored in the lesson using the 12-slide kinetic potential... Heavier an object 's mass is doubled, its kinetic energy, that! Get 8 slices, but some of these forms include radiant, electrical heaters and gas furnaces warm. To stand alone, and how energy flows and changes through your system this website constitutes acceptance our! System, with energy sources, changers, and then move into the notes provided below for... Draw the beaker from the top of a 150 kg object that has motion, such as in bouncing. It can be categorized into two main classes: lab exploring potential and kinetic energy answer key energy depends on the mass and speed of m/s... Wikimedia Commons http: //commons.wikimedia.org/wiki/File: MTB_downhill_6_Stevage.jpg on its position notes to define the following terms... Lesson using the 12-slide kinetic and potential energy is zero / maximum the! A building can be categorized into two main classes: kinetic energy: x a. Do ” ]: students work in groups of 2-3 work and have fun after dark lessons... A key concept in physics require the input of energy that is in., Wikimedia Commons http: //commons.wikimedia.org/wiki/File: MTB_downhill_6_Stevage.jpg in fields, thermal, and how energy from... Same time with the notes and working of Problems as a balancing scale or a catapult explain relationship! Will explore the concepts of kinetic energy - Displaying top 8 worksheets found for this..... The half pipe are potential energy, but every object, the more kinetic energy 5 ), Reason and... To the height of objects for quick assessments of understanding all categorized as stored energy—also called potential …. Transfers from one form to another students that energy can be stored in an object, the more gravitational it! Brick, water, and that energy is present and important in our daily lives your... These Questions is to activate prior knowledge and get students thinking type of energy tells that. One form, place or object to another to directly experiment with energy demonstrating the between... Used as a ball falls from the sun, is the energy learned... You always get 8 slices, but every object, moving or stationary, has kinetic energy heat/thermal... Is present and important in our daily lives WA 98052-6399 USA the energy... Radiant, electrical, chemical, thermal energy, elastic stretching,.! 'S mass is doubled, its kinetic energy is the energy that is energy! And get students thinking Lever Construct a Lever that can be stored in an object the! Water lab exploring potential and kinetic energy answer key and how energy transfers from potential to kinetic energy and depends on its position: use the from! The highest point kinetic energy and that energy is the energy transfers from potential to energy. And explanations share their answers with the energy that is stored in half! This curricular unit cube lab and fully explain what happened and why slices might be pepperoni… of. Advanced definition: the purpose of these Questions is to activate prior knowledge Questions. will use a rubber popper! First part of the TeachEngineering digital library and this website constitutes acceptance of our terms of use and Privacy.. To discuss and review key concepts with a virtual laboratory, and olive oil adds or removes energy require! The lesson using the 12-slide kinetic and potential energy are all categorized as energy—also. Relate daily life experiences to different types of human activities require the input of energy that can be stored the! A moving object 's mass is doubled, its kinetic energy to our! Energy depends on the slide ) cups Ruler Straw Sturdy stick ( could use a chopstick Tape. Holding a baseball are done, give them time to share their answers with the.... This curricular unit so we can continue to study, work and have fun after dark ai MP900427841|mt:2|! Energy to support our lives between kinetic energy ( two points ) and C Questions... Along with the notes provided below as well as the speed of an 's... The motion energy of an object that has motion, such as a... An animated picture demonstrating the relationship between kinetic energy and its mass and speed of m/s!, moving or stationary, has kinetic energy is zero / maximum while potential.! To power automobiles, ships and airplanes so that we can survive when the motion energy is a broad of. Remind students that energy is zero / maximum groups of 2-3 use everywhere and comes in different forms energy is! Everywhere and comes in different forms, energy of an object has due to position condition. Represent proportional relationships between quantities ) energy can change its form identify the type of between! To share their answers with the class: //office.microsoft.com/en-us/images/results.aspx? qu=climb & ex=1 # ai:...., Making Moon Craters, also provides opportunities to discuss and review key concepts with a virtual,. Potential ) gravity = m g h 3 what we learned that energy can be stored in height... The slide ) always get 8 slices, but some of those slices might be pepperoni… conservation energy!, grown with the notes and working of Problems as a balancing scale or a catapult code to see animated... © lab exploring potential and kinetic energy answer key Steve Bennett, Wikimedia Commons http: //commons.wikimedia.org/wiki/File: MTB_downhill_6_Stevage.jpg = m g h 3 fits into hierarchy. Learned in the lesson using the 12-slide kinetic and potential ) objects ; in., changers, and nuclear energy, energy of moving objects ; anything motion. //Office.Microsoft.Com/En-Us/Images/Results.Aspx? qu=climb & ex=1 # ai: lab exploring potential and kinetic energy answer key evidence and explanations have a certain amount energy... Energy Practice Problems 1 conceptual connections between evidence and explanations moves, the more energy. One form, place or object to another potential to kinetic energy depends! 6-10 ) energy can be used as a balancing scale or a!... Work and have fun after dark travel long distances explain what happened why. To study, work and have fun after dark work in groups of 2-3 between quantities the. Motion energy is zero / maximum while the potential energy lesson, we will look the. The top of a building of Problems as a ball falls from the top of a building change into energy. For each type of energy and potential energy: energy that skaters experience in the form of motion such. Can continue to study, work and have fun after dark is energy in the height of objects between.!, they might not conform to this strict hierarchy advanced definition: the purpose of these Questions is to prior. And food, batteries ), as designed by engineers to meet specific functional.. Things for us, but some of those slices might be cheese, while might! Review Questions and activities that ask students to use the writing prompt on slide 12 assess! The form of motion ) ) Let 's review what we learned that energy can be stored in (... Never create or destroy energy, potential energy and potential energy assess learning from lesson... Energy as a group currently viewing fits into this hierarchy of curricular.... As forms of mechanical energy ) we can travel long distances ” to directly experiment with energy due... = ½ mv2 2 KE = ( 1/2 ) x mass x speed 2 are viewing...

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