April 29, 2014
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Transcript of April 29, 2014
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April 29, 2014Homework: Complete Motion Review sheet- Due Thursday- Review your notes on chapter one- **Open book Quick-quiz on Friday**
Do Now: •Write down homework•Open notebook and textbook to pg. 25
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Math Practice Problems on pg. 25 in the textbook.
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Kinetic Energy(KE) - the Energy due to Motion
What are two factors that affect kinetic energy?
-Mass- KE increases when the mass increases
-Velocity- KE increases when velocity increases
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•Stored energy related to an object’s position or shape•Energy stored and used later
Elastic Potential Energy
What is an example of potential energy?
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Gravitational potential Energy:• Related to an
objects height- equal to the work done to lift it- Weight x Height
Interpreting Diagrams: Does the red skier have more gravitational potential energy on the higher ski-jump or the lower one?- Why?
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Type main kinds of Energy:--Kinetic Energy - Potential Energy
Energy is conserved—Can not be created or destroyed, only transferredfrom one type to another
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Energy is Conserved-- TransferredEnergy transfers from Potential to kinetic energy once the object is in motion
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Where are the areas of greatest -Potential Energy?-Kinetic energy?
-Why?
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April 30, 2014Homework: Review Sheet Due tomorrow:Quick Quiz on Friday- Review Notes on chapter one and on Energy
Do Now: Write down Home-work-
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Which letter shows where gravitational potential energy the greatest?
And where Kinetic Energy is the greatest?
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What Ride from 6 Flags moves similar to this type of motion?
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Where are the areas of greatest -Potential Energy?-Kinetic energy?
-Why?