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PE & KE Conversions

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**Remember Potential Energy Kinetic Energy**

Has the POTENTIAL to move but isn’t moving yet. It’s building up energy to move but there is no motion going on yet When it IS MOVING

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Energy starts as PE (potential energy) because it has the ability to move but isn’t moving yet. It has gravitational energy because once the ball is dropped it falls due to gravity. Energy is converted to KE (kinetic energy) as the ball moves faster and faster as it falls.

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Example #2: Pulley Example #3: Pendulum PE PE ½ PE ½ KE ½ KE ½ PE KE

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Roller Coaster

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Energy (REVIEW). Two Forms of Energy Kinetic Energy – of MOTION KE = ½ mv 2 Potential Energy – Energy of POSITION PE = mgh (gravitational PE) (g = 9.8.

Energy (REVIEW). Two Forms of Energy Kinetic Energy – of MOTION KE = ½ mv 2 Potential Energy – Energy of POSITION PE = mgh (gravitational PE) (g = 9.8.

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