Please circle your final answer and be sure it has the proper label. alternatives. Kinetic Energy is the energy an object possesses due to its motion. Physics 11 - Work, Power, Energy Worksheet . The unit we ended up with is a newton meter. How much work does she do? The kinetic energy of the rotation of the wheels is converted into the kinetic energy of the bicycle. Craft and Structure. If you change the value in a cell in a sheet, its a worksheet level event. 12. distance. W = P E e = m g d. Kinetic energy depends on the mass of an object and its velocity, v. K E = 1 2 m v 2. If you add a new worksheet, its a workbook level event. the amount of work an object does. You can generate the worksheets either in html or PDF format both are easy to print. Write in the standard form: 1. Question 4 Give your child the added advantage of tutoring with eTutorWorld. The sequence of numbers becomes the key code. W 1.8 X 106 J -9.0 x 103 N! Question 8. force. For example, 82. The premier web service for creating professional educational resources. An elevator must lift 600 kg a distance of 20 m at a velocity of 5 m/s. Used by teachers and parents around the world. Work and Power; Springs; Energy and Energy Conservation; Electrostatics. Fred applies 350 N force to move his stalled car 40 m, how much work did Fred do? 4. PROCEDURE AND OBSERVATIONS: EXTERNAL ANATOMY 1. Net Force Review Carousel Packet . The accident happened when the road was being repaired (passive, past continuous) 2 [a 0 = 1] Power-Rule: you have to multiply the exponents when power is raising a power [a 0 = 1] Power-Rule: you have to multiply the exponents when power is raising a power. Select sixth grade science worksheets from the list below for FREE download of 6th grade science worksheets with answer key . EK=W=area under the graph=(8+4)/2. Hence the answer will be: \(5m^{23}n^{53}=5m^{6} n^{15}\) Example 3 Work = Force X Distance. a. How much work (energy) is needed to lift an object that weighs 200 N to a height of 4 m? [3] 1. Two people each applied 100N of force to move a crate 3 meters. = F x v 24. Chapter 4 Practice Test Key. Find its power. Calculate the work done on the girl by gravity. Almost all of our grade 1-6 worksheets have an answer sheet appended directly to the worksheet. Answers will vary; only one of the six sim-ple machines must be mentioned. This is defined in physics as a joule. Work = 200N X 20m. 4. 1. 3.333 J 1.48 m! 3) Your car is stuck in the mud. Power is a relationship between work and time. Free printable worksheet on the power rule with answer key of logarithms includes model problems, practice problems, and challenge problems. How much work is done when a 1 00 N force moves a block 59 m? Here, only the terms inside the bracket are raised to the power of 3. 29 scaffolded questions that start relatively easy and end with some real challenges. Work and Power Worksheet #1 Show all work on a separate sheet of paper! Plus model problems explained step by step. Be careful, direction of applied net force and direction of motion must be same. Topic 5: Work and Energy Worksheet (A) WORK is accomplished when a force moves an object through a distance. How much work is done when a 1 00 N force moves a block 59 m? Work, Power and Energy Practice Problems Work and Power Problems 1) How much work will you do if you push a block of concrete 4.3 m along a floor with a steady force of 25 N? 2. Powers and Exponents Worksheet - 3. Put answers and units only on this page. Ask our expert tutors for a FREE evaluation, email filled answer sheet to contact@etutorworld.com. Diagrams can be made into key codes too. Work and Power Worksheet #1 Show all work on a separate sheet of paper! 1. is the rate at which work is done. 4. W = 150 J F = W/d F = 15 N. d = 10 m F = 150 J/10 m. B. Fill-in-the-blank: 1. Part 2 - Identify whether or not work is done, explain why or why not, and if work is done what is doing the work. 2) How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N? The power is the rate at which work is done (or energy is used). Power is found by dividing work by time. It requires the same amount of work to do these two jobs (see question #23) and the same amount of time. Thus, the power is the same for both tasks. 25. Work and Power T 1 E N I M 2 E T 3 R E E W J 4 S 5 E C O N D 6 F 7 O U R N I U W 8 A T T S L O Y T 9 H R E E R A K N C P 10 O W E R Across Down 1. Powers and Exponents Worksheet - 4. 1 1 J Nm . 1.3 Power is the rate at which work is done. 4-8. 1:4 Graphing Speed; Slope. Work, Power, Energy Worksheet . It is the building block for everything in our daily lives, including computers, architecture, art, money, engineering, and even sports. (d) rst positive then negative work on the top block. At what height is an object that has a mass of 16 kg, it its gravitational potential energy is 7500 J. Students should read the fables and draw conclusions to infer the meaning or theme. These questions & answers will help you master the topic! Write true or false of the following statement: (i) Things can move without any force acting on them. 3. Work Power Energy Cheat Sheet Work A force is applied an object and object moves in the direction of applied force then we said work has done. This worksheet is 2 pages and has 5 problems. External Forces. Download PDF. the rate at which work is done. The SI unit of power is the . Fred applies 350 N force to move his stalled car 40 m, how much work did Fred do? the rate at which force is applied. a. Put answers and units only on this page. The answer to a single difficult question may be the key code. Please disable adblock in order to continue browsing our website. D. What is power? Work and Power Worksheet Answer each question by calculating for the missing variable. 4c-Work-Energy MC practice problems-ANSWERS.doc. every day for 1 year @ 8 cents/kwhr 2. 1m Power Power is the rate of 7th Grade. Question 17. answer choices. Measured in Watts, W. P = W/t P = Fv (at constant speed) In the United States the most common unit of work is the foot pound. Potential Energy is the property of a system, not of an individual particle. Search: Phet Simulation Energy Skate Park Worksheet Answer Key Simulation Park Key Worksheet Phet Energy Answer Skate zut.5terre.liguria.it Views: 27741 Published: 16.06.2022 Author: zut.5terre.liguria.it Search: table of.Energy: Lesson 3, Stations of Light Activity Light Energy Worksheet Answers 3 . Vector Comonents Practice Key. Work & Energy MC Key. Internal vs. There are two basic Ohms Law equations: one relating voltage, current, and resistance; and the other relating voltage, current, and power (the latter equation is sometimes known as Joules Law rather than Ohms Law): E = I R E = I R. P = I E P = I E. 2000 W 26. The forelegs provide balance and cushion the frog when it lands after jumping. Answers will vary; only one of the six sim- Electric Power Problems Name: _____ Directions: Show your work and include units. 4=16 joule 2. and assessment of reports relating to implementation results of the socio-economic plan and the Party building work in the first six months of 2022, solutions that will be carried out in the second half of the year. A 400N force is applied to an object. To get the PDF worksheet, simply push the button titled "Create PDF" or "Make PDF worksheet". The answer key is automatically generated and is placed on the second page of the file. 4. For work to be done a force must be exerted across a distance parallel to the direction of the force. Forensic Files Graphic Organizer (PDF) - Thanks to Luann Snider for submitting this worksheet that can be used with any of the Forensic Two acceptable units for work are _____. New worksheets added regularly. Calculating Power (page 415) 10. How much work is done when a 5 N force moves a block 4 m? In the equation for work, F is the_____ applied to the object and d is the _____ through which the force is applied. One kilowatt-hour is the work done in one hour by an agency whose power is one kilowatt. MOP Connection: Work and Energy: sublevel 2 Review: 1. Calculate the work done by a 2.4 N force pushing a 400 g sandwich across a table 0.75 m wide._____ How far can a mother push a 20.0 kg baby carriage, using a force of 62 N, if she can only do 2920 J of work? WRITING LINEAR EQUATIONS FROM SITUATIONS AND GRAPHS WORKSHEET ANSWER KEY. Take the Ohms Law Practice Worksheet With Answers (Basic Electricity) worksheet. These math worksheets should be practiced regularly and are free to download in PDF formats. the amount of work an object does. Definition and Mathematics of Work. When calculating work, you should use the formula: work = force X . Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. object. 1. idea it. Lesson 1 - Basic Terminology and Concepts. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. Here is another theme worksheet featuring classic fables by Aesop. Solution: Given data: time=t= 4s Work =W = 20J Power =P=? A 750 Watt hairdryer is used for 15 minutes. A force acting upon an object to cause a displacement is known as _____. Calculate the cost to use 15 min. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. Work Power Step 2: The girl lifts a painting to a height of 0.5 m in 0.75 seconds. Math is all around us, in everything we do. The distance between Earth and Moon is 384,000 km. Each worksheet is randomly generated and thus unique. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. EK=W=area under the graph=(8+4)/2. a. Page 2 of 7. (The. 4=16 joule 2. b. From our formula we found unit of work kg. Answer: (b) The displacement is in the same direction as the force of friction. Applied force vs. position graph of an object is given below. (a) 1 m (b) 2 m (c) 3 m (d) 4 m Answer : (d)1 2 mv2=fxso if velocity is doubled then distance traveled will be four times as great. Find the kinetic energy gained by the object at distance 12m. Applied force vs. position graph of an object is given below. I was wondering if it is possible to display part of this table in another worksheet in the workbook based b. Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 6-8 texts and topics. The 5 stays as it is. g = gravitational acceleration. When a force acts from within a system, energy is removed from the system. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m wide. 1:1 Word Problem Primer 4a-Work-Energy MC practice problems.doc. B1+ Workbook answer key - Read online for free. Calculate the Kwhr used. A crane does work of 13,500 J with a force of 5200 N to lift a beam. 0.0034256. Displaying all worksheets related to - Superteacher Wprksheets. If 150 Joules of work is needed to move a box 10 meters, what force was used? Choose two. Please disable adblock in order to continue browsing our website. 4. Find the kinetic energy gained by the object at distance 12m. 2. Let a and b be real numbers and let m and n be integers. Powers and Exponents Worksheet - 2. 2. All the 7th Grade Accelerated Big Ideas Math Answer Key PDF is given Practice Worksheet - Answer Key Solubility #1 (KEY) Datasheet Answer Key Sheet Answers pdf Chemistry with Lab - Easy Peasy All in One High School Fri 12 Skill Sheet 4. c. Power equals the rate of work. Amy uses 20N of force to push a lawn mower 10 meters. Part 3 - Identify whether work, kinetic, or 11. Archimedes Principle, Pascals Law and Bernoullis Principle Lesson Practice Problems Worksheet Answer Key 2 3. 1.4 The conservative force is the force which does no net work on an object which is on a closed The power or exponent is a small number written on the top right of a number which is known as the base number. a. joule b. newton c. watt d. newtonmeter Power as a Rate Quantity: 3. the amount of matter in an object. Answers are available for select PDF math worksheets that are displayed on WorksheetsWorksheets.com. By using work and energy theorem we say that; area under the graph gives us work done by the force. Powers and Exponents Worksheet - 1. Potential Energy. (iv) Energy in food indirectly comes from the Sun. a. energy b. potential c. kinetic d. work 2. How much work was done to move a 10N book 5 meters? Work, Energy and Power page 1 Work, Power and Energy Worksheet Work and Power 1. Please let us know if you need answers for a worksheet that isnt listed below. Place the frog on its belly (ventral side) in the dissecting pan 2. In this case, a force is exerted by the man but the wall is stationary and since it does not move there is no distance for work to take place on. 2. Station 4: Polarized Light Instructions: Put on a pair of polarized Power = Work / time = Force x velocity P = W/t. The hind legs are strong and muscular and are used for jumping and swimming. In other words, power is how much work is done in a given amount of time. Point of View Worksheet 8 This worksheet has 15 more point of view problems. The work done in elevating his 65.0-kg mass up the stairs is determined using the equation. 23. 1. ANSWER KEY Work and Machines Work and Machines Chapter Project Worksheet 1 1. inclined plane, wedge, screw, lever, wheel and axle, pulley 2. pulley 3. lever 4. inclined plane 5. 3. Download PDF. However, a commercial unit of electrical energy is kilowatt-hour. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. m = mass. Power. Search: Phet Simulation Energy Skate Park Worksheet Answer Key Simulation Park Key Worksheet Phet Energy Answer Skate zut.5terre.liguria.it Views: 27741 Published: 16.06.2022 Author: zut.5terre.liguria.it Search: table of.Energy: Lesson 3, Stations of Light Activity Light Energy Worksheet Answers 3 . The answer to this very good question is no. Binary is simply a numeration system for expressing real numbers, while Boolean is a completely different number system (like integer numbers are too irrational numbers, for example). 4. Study Resources ANSWER KEY Work and Machines Work and Machines Chapter Project Worksheet 1 1. inclined plane, wedge, screw, lever, wheel and axle, pulley 2. pulley 3. lever 4. inclined plane 5. What is the power output of an engine that does 60,000 J of work in 10 s? Work, Energy & Power. If the water is pumped at a speed of 0.50 m/s through a 4.0-cm diameter pipe in the basement under a pressure of 3.03x105 3. Examine the hind legs and front legs of the frog. Gravitational Potential Energy is the work done by the moving force in placing the body at a height h above its initial position. Find the value of: 4. Lifting an object increases the objects gravitational energy. c. When you do less work in a given time period, the power decreases. Work, Energy and Power page 1 Work, Power and Energy Worksheet Work and Power 1. Part 1 - Label the work, power, kinetic and potential energy equations with the proper quantities and units. Work, Energy & Power. a. We can say that work is one form of energy. Combining supply and demand worksheet answer key.Section 1-7 Day 2 Notes AnswerKey. (a) 1 m (b) 2 m (c) 3 m (d) 4 m Answer : (d)1 2 mv2=fxso if velocity is doubled then distance traveled will be four times as great. The resources above cover the following skills: Reading Standards for Literacy in Science and Technical Subjects. Calculating the Amount of Work Done by Forces. Kinetic Energy. The symbol for the joule is J. 2 3 4. Work, Power, Energy Worksheet . Station 4: Polarized Light Instructions: Put on a pair of polarized An object is dropped from atop a 20 m tall building. Then they explain their answers. 2:1 Acceleration; Average Speed. Power is determined by dividing the work done by the amount of needed to do the work. Correct answer: Explanation: The answer is because no work is done. (iii) If a moving object comes to a stop, it means some force is acting on it. 2. / was such an unforgettable experience of a nuclear power station in / I loved it / there is a really special Listening p20 the 1970s. Or, for more practice, have students enter answers into boxes, one number per box (like the crossword puzzle again) and underline a particular box for each answer. 2.7 X 1010 W total or 9.0 X 109 W per engine x 101 J 5X W 107 J 1.5 x 103 s P 21 x 746 w W 1011 J 460 s P 5.7 x 108 w 9.55 x 102 s = (13.0 X 106 J) X (15.0 min) 60 s 1.17 X 1010 J 1 min OX 109 J - 4.35 x 102 ml W 1.67 X 104 J 5.48 X 103 N! 4b-Work-Energy FR practice problems.doc. Because doing work on an object requires that the object move, doing work on the object increases its energy. Momentum & Impulse 7. W 107 J - 2.8 x 106 W 8.8 X 10-4 J 2.6m F 3.4 x 10-4 N It is also known as exponents or exponential numbers. Work Practice Problems Worksheet #1 ANSWER KEY. Work and Energy 1. 2. Worksheet Answers. Chapter 4 Worksheet Answer Keys: Forces @ Angles Ws #1 & #2, Coefficient of Friciton WS, and Chapter 4 Problems Jigsaw Review . Eddy's power is found by dividing the work which he does by the time in which he does it. 2 Worksheet: Work, energy and power QUESTION 1 1.1 A girl with mass 60 kg slides 3 m down an inclined plane as shown in the picture. The block of ice weighs 500 newtons. View work-power-and-energy-worksheet-answer-key-and-energy-note-taking-worksheet-answers-fresh-6-l-5b-2-s from SCIENCE 101 at Cibola High School. Answers will vary: top, side, or bottom 6. This shows the number 8, which is the base number has a power of 2 and hence, can be multiplied or used twice in the problem. Download PDF. Calculate the power expended when a 400 N barbell is lifted 2.0 m in 5 s. = 160 W 25. Work Power 50 N 3 m 150 J 150 J 3 s 50 W 50 N 60 N 110 N 110 N 2 m 220 J 220 J 5 seconds 44 W 60 N 0.5 m 30 J 30 J 0.75 seconds 40 W (9.3 105 N) 100 m 9.3 107 J, or 93,000,000 J Investigation: Rewrite each as a product of the same base, and then simplify your answer in terms of an exponential expression, if possible. 2 answers QUESTION Ability of an apparatus to traverse a body of standing water, Apparatus specifications should list the specific water depths through which the trucks must be able to drive A go cart engine applies a force of 888N and moves the cart forward 22m. 1:3 Control and Experimental Variables. Work and Energy 1. 4. In other words; 1 joule=1N. Power equals work divided by time. Calculate the work done on the girl by the normal force. Work energy and power problems and solutions. How much work (energy) is needed to lift an object that weighs 200 N to a height of 4 m? A machine does 20 joules of work in 4 seconds. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. If you are in a car that is being pulled down a 56.0 m path with a force of 12.5 Newtons (N), what is the work done on the car? the rate at which force is applied. a. (v) Energy of wind can be used to generate electricity. Power is work divided by ____. Be sure to show all calculation work in the space provided. Work Power Energy Exam2 and Problem Solutions 1. Energy is added to a system when an external force moves a body. Name Part 2: Work and Power Date Work and Power, continued Class Work is closely related to the concept of power. Power is a measure of how much work is done in a certain time. The faster work is done, the more power is produced. EQUATION: work power time The unit for power is the watt (W). One watt (W) is equal to 1 J of work done for 1 sec- ond. Task Answers Question 1 1.1 Work is the product of the displacement of the object and the component of the force parallel to the plane or the movement of the object. 3. The work we do on the rock also equals the rocks gain in gravitational potential energy, PEe. Work = 20N X 10m. 3. The answers were usually created in response to a request for answer keys for a specific grade level. 4d-Work-Energy FR practice problems-ANSWERS.doc. Power of Evidence Challenge (PDF) - Challenge your students to this word search/scramble using terms discussed in the Power of Evidence presentation. MATHEMATICS is the science that deals with the logic of shape, quantity and arrangement. 1. Power is defined as the _____ is done. Answers will vary: top, side, or bottom 6. 7. Given Formula Substitution Answer (with units) 6. DOWNLOAD 10 3 THEORY OF NATURAL SELECTION POWER NOTES AND GET THE ANSWERS Whether you prefer to learn by doing or have an answer key ready to go when you get stuck on 8-8(12-8) EK=12. Compared to the amount of energy required to accelerate a car from rest to 10 miles per hour, the amount of energy required to accelerate the same car from 10 mph to 20 mph is (a) the same. [2 Points] How much power does it take to lift 250 N, 40 m high in 2 seconds? Work, Power and Energy Worksheet. 3d-Torque FR practice problems-ANSWERS.doc. How much power is needed to lift the 200-N object to a height of 4 m in 4 s? Answer. Work & Energy FR Key. the amount of matter in an object. Energy is the capacity to perform work. a. (ii) Energy is required to do work. 4-8. Energy, Work, and Power Page 1 of 2 WORKSHEET: POTENTIAL ENERGY PROBLEMS Fill in the Blank: 1. Multiplying 2-Digit by 2-Digit Numbers (222 views this week) Because we provide answer keys, students are able to self-assess and use the immediate feedback provided by an answer key to analyze and correct errors in their work. Work Power Energy Exam2 and Problem Solutions 1. Calculate the work done by a 2.4 N force pushing a 400 g sandwich across a table 0.75 m wide. Circle the letter of the word equation that describes how to calculate power. When we drop the rock the force of gravity causes the rock to fall, giving the rock kinetic energy. Work and Power; Springs; Energy and Energy Conservation; Electrostatics. You must exert a force of 4.5 N Water circulates throughout a house in a hot water heating system. Thw work to lift a weight of 5 Newtons up 2 metres is ____ Joules. (work = force X distance) (power = work done/time needed) Work = 50 joules. Only a few of the simplest worksheets do not have answer sheets. 1. is done when an object moves through a distance because of a . b. 4. 3:2 Weight, Friction, and Equilibrium. A force of 10 N is applied to a 2.0 kg mass at rest on which the force of friction is 4.0 N. The net work done on the mass after two seconds will be: (a) 36 J (b) 60 J (c) 72 J (d) 100 J Power is the rate of work performed per unit time. Worksheets are Using context clues, Name feathered but not ready for takeoff, Work digestive system, Work login and password, Work login info, Name answer key work, S work, Answer key work. Work. By using work and energy theorem we say that; area under the graph gives us work done by the force. 3. h = height. Thus, if there is work involved (i.e. Work Power Step 3: The girl climbs the ladder with the painting in 5 seconds. Notes: Some students with background in computers may ask if Boolean is the same as binary. Lesson 2 - The Work-Energy Relationship. 3:1 Isaac Newton and the 3 Laws of Motion. and so the equation give in the answer for (average) current will suffice. 2) If your mass is 70.0 kg, how much work will you do climbing a flight of stairs 25.0 mhigh, moving at a steady pace? Create and Print your own Math Worksheets. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. Answers will vary; only one of the six sim-ple machines must be mentioned. 3. 2 central ll be living 2 will work/will be you like me to bring anything else? Part 1 - Label the work, power, kinetic and potential energy equations with the proper quantities and units. We are continuously adding new generators to make your task of assigning english practice work to students easy. The equation for power is: power _____ work time P __ W t The SI unit for power is the watt (W). acting upon the object. Answers work and energy review pg 2 001.jpg. Free worksheet(pdf) and answer key on Simplifying Imaginary numbers (radicals) and powers of i. Work, Power and Energy Worksheet Author rkhedrick Last modified by billybob Created Date 2/6/2017 11:14:00 AM Company Hewlett-Packard Company Other titles Work, Power and Energy Worksheet Work = 200 J. Phy 211: General Physics I 1 Chapter 9 Worksheet. Chemical energy to heat, light, and sound energy. *Click on Open button to open and print to worksheet. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. How much power is needed to lift the 200-N object to a height of 4 m in 4 s? Formula= P =W/t P=20J/4s P=5 W Work = 4000 J a. 8th Grade. Students read each paragraph and determine whether the narrator is telling the story from first, second, or third-person perspective. Conceptual Physics: Work and Power. Once again I have removed the explicitly stated morals. Suggested reading joule is named after James Joule, a big name in the area of energy.) What power was used if it took 2 seconds to move a 10N book 5 meters? A room has a 60 watt, a 100 watt, Part 2 - Identify whether or not work is done, explain why or why not, and if work is done what is doing the work. Power is the rate at which work is done or energy is used. W = F*d*cos(Theta) What goes with second (s) Time. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. 2. Answers will vary; only one of the six sim- 1. All terms inside the bracket are raised to the power of 4; \((2xy^{3} )^{4} =2^{4}x^{14}y^{34} =2x^{4} y^{12} \) Example 2 \(5(m^{2} n^{5} )^{3}\) Solution 2. 1.2 A block (5 kg) is pulled by a force of 60 N at an angle of 30 to the ground. One watt is the amount of power needed to do one joule of work in one second (1 J/s). Power = 25 watts. II. Work & Energy MC. Phy 211: General Physics I 2 Chapter 9 Worksheet Impulse and Momentum: 1. [4] Work & Power Crossword Answers Author: info@qldscienceteachers.com Subject: Download PDF. How much work is done when a 5 N force moves a block 4 m? How much power does it take to do 500 J of work in 10 sec? 2. How much work is done? Work & Energy FR. Chapters 1 - 2 - Speed and Acceleration (Ch 1-2) - back to top. 1. Work = Force X Distance. 8-8(12-8) EK=12. 2. One example is stretching a rubber band. Trace Evidence Online (PDF) - Links for students can be found on the Kid Zone Archive document. Grade 7 Maths Exponents and Powers Very Short Answer Type Questions. On my first worksheet in the workbook, I have a large table with multiple columns and rows (roughly a 1000 rows and 20 columns). Below are the different types of Events that exist in Excel: Worksheet Level Events: These are the types of events that would trigger based on the actions taken in the worksheet. These are some really handy worksheet generators that you will find on this page. Mechanical Energy. Explain your answer. What is the power output of an engine that does 60,000 J of work in 10 s? (362k) Ann Whitley, m/s however, instead of this long unit we use joule. The block of ice weighs 500 newtons. 2. The muscular energy of the cyclist is converted into rotational energy of the pedals of the bicycle which is transferred to its wheels. Part 3 - Identify whether work, kinetic, or Speed of light in vacuum is 300,000,000 m/s. a loss of energy or energy added to the system) then: Ei + W = Ef KEi + PEi + W = KEf + PEf mv2i+ mghi + W = mv2f + mghf 5) Power: the amount of work done in a certain time. A 50 kg object with an initial velocity, (m) v = 30 io s, is decelerated by a varying net force, (N) F= -4000 t - 1000N i s, to (m) v = 10 i s over a time interval of 0.5 seconds. The first page has the questions; the second page displays the answers. 1:2 Speed and Experiments. 10 2 MOLE MASS AND MOLE VOLUME RELATIONSHIPS ANSWER KEY. 1.2 Energy is the ability of to do work. In science, work has a precise meaning. For example, a man carrying a load is doing work but he is not doing work if he is not moving while keeping the load on his head, Scientifically, work is done only when an effort or force moves an object. When work is done, energy is used. Thus, work and energy are related to each other. If the object travels 20 m in 4 s, calculate the power expended on the object. Compared to the amount of energy required to accelerate a car from rest to 10 miles per hour, the amount of energy required to accelerate the same car from 10 mph to 20 mph is (a) the same. New in version 2.0: You can save your worksheet data and re-generate a worksheet based on your data anytime in future. 2:Rev Review for Test.