Work energy formula
[DOC File]Activity 1.2.5 Mechanical System Efficiency ATV
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What is the power of a light bulb that converts electrical energy at a rate of 200 joules per second? (Power = Work ÷ time) 200 watts. What is the formula for power? Power = Work ÷ time. What is the formula for work? Work = force X distance. What is thermal energy? The total energy of the particles in an object. What is the unit for energy ...
Work, Energy and Power Definition, Units, Formula ...
Work-Kinetic Energy Theorem. The work done on an object is equal to the change in kinetic energy of the object. This is known as the work-kinetic energy theorem. It is derived as follows. The W-KE theorem is very useful. For example, how much work is done to accelerate a 2000-kg truck from 8.3 m/s to 11.1 m/s over a distance of 50.0 m?
[DOC File]Physics 11 - Work, Power, Energy Worksheet
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How much work does the engine do on the rocket during those first 100 meters? Based on the given information, how much kinetic energy would you expect the rocket to have when it’s at a height of 100 meters? (Hint: Don’t use a formula for kinetic energy. Instead, think about the relationship between work, kinetic energy, and potential energy.
[DOC File]Calculating Work and Power by Climbing Stairs
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Use the following formula to determine how many joules (J) of work it took to lift the weight in the system. As you carry your units through to the solution, change the final answer from N∙m to J. Determine the work done by the winch system for each test.
[DOC File]Work, Energy, & Power Webquest
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Determine the kinetic energy of a 1000g roller coaster car that is moving with a speed of 2m/s. 15. If the roller coaster car in the above problem were moving with twice the speed (4m/s), then what would be its new kinetic energy?
[DOC File]Kinetic and Potential Energy Worksheet Name
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Calculate the work done by the stair climber in climbing the stairs slowly and rapidly using units of joules. Record your answers in Table 3 below. Formula: Work done (joules) = height of staircase (m) X weight of stair climber (N) Table 3: Work Done. Climbing Stairs Slowly Rapidly Work done (Joules)
[DOCX File]Work, Energy and Power - The Physics Teacher
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Work requires a change in energy, which engine uses more gas to go 22m? Even an empty semi truck uses much more gas than a car. Why? Calculate the work done by a 47 N force pushing a pencil 0.26 m._____ 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 ...
[DOC File]Work and Energy
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The formula for potential energy: Any time wor. k is done energy is transferred* The Principle of Conservation of Energy * states that energy cannot be created or destroyed but can only be converted from one form to another. ... Work, Energy and Power Last modified by: Noel Cunningham
[DOC File]I
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What is the formula? Click on Kinetic Energy. What is kinetic energy? What is the kinetic energy formula? What will happen to your Kinetic energy if you triple your speed? Click on Mechanical Energy. When work is done on an object, what does the object gain? What is mechanical energy? Give an example of something that shows mechanical energy is ...
[DOC File]Energy and Power Test Study Guide – answer key
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Work = 20N X 10m. Work = 200 J. 2) How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N? Work = Force X Distance. Work = 200N X 20m. Work = 4000 J. A 900N mountain climber scales a 100m cliff. How much work is done by the mountain climber? Work = Force X Distance. Work = 900N X 100m. Work = 90,000 J
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