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Conservation of Energy

Conservation of Energy. Law of Conservation of Energy. What you put in is what you get out Total energy is conserved. Practical Applications. Gasoline converts to energy which moves the car A battery converts stored chemical energy to electrical energy

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Conservation of Energy

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  1. Conservation of Energy

  2. Law of Conservation of Energy • What you put in is what you get out • Total energy is conserved

  3. Practical Applications • Gasoline converts to energy which moves the car • A battery converts stored chemical energy to electrical energy • Dams convert the kinetic energy of falling water into electrical energy

  4. Can You Think of Other Examples?

  5. Conservation of Mechanical Energy m = mass v = velocity g = gravitational acceleration h = height Kinetic Energy Potential Energy Total Energy ILYA, did you know that even though it was a bumpy ride, our energy remained constant!

  6. Example of Conservation of Mechanical Energy Constant

  7. An Example

  8. Another Example

  9. Yet Another Example

  10. Last Example

  11. Conservation of Mechanical Energy using a Basketball Hi I am Sookram, lets do the lab

  12. Instructional Objectives • State the law of conservation of energy • Define the components of Mechanical Energy • Demonstrate the ability to solve problems using the law of conservation of energy

  13. Lab Procedure • Place the motion detector on a flat surface, like in the diagram to the right • Toss a basketball above the ultrasonic sensor • The sensor will detect the position, velocity, and acceleration of the ball’s flight

  14. Lab Analysis • Determine which line represents: • Kinetic energy • Potential energy • Total energy

  15. References • http://en.wikipedia.org/wiki/Conservation_of_energy • http://www.slcc.edu/schools/hum_sci/physics/tutor/2210/potential_energy/ • Vernier Software and Technology

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