Energia final
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Transcript of Energia final
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LA ENERGIA
CIENCIA GENERALPROFESORA JESSEL MEDINA
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ENERGÍA- es la capacidad para realizar trabajo
Los dos tipos principales de energía son: la potencial y la cinética. La energía se manifiesta de varias formas.
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ENERGÍA
es la capacidad para realizar trabajo.
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Los tipos de energía
1.Energía Potencial
2.Energía Cinética
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Energía Potencial
Energía potencial elástica: La energía que se le imparte a los objetos al estiralos o comprimirlos.
Energía potencial gravitacional o posicional:Energía que adquiere un objetoal levantarlo a una altura dada.La ecuación para calcularla es:
E potencial gravitacional = Peso x Altura
Es la energía almacenada.
Tiene el potencial de realizar
trabajo.
Existen dos modalidades.
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Energía Potencial
Es la energía almacenada.Tiene el potencial de realizar trabajo.Existen dos modalidades.
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Elástica
La energía que se leimparte a losobjetos al estiralos o comprimirlos.
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Gravitacional o posicional
Energía queadquiere un objetoal levantarlo a una altura dada.
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PERSONA PESO ALTURA ENERGÍA POTENCIAL
Margarita 450 N 2 M
Jennifer 500 N 2 M
Martín 550 N 6 M
Jorge 550 N 2 M
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Energía CinéticaEs la energía de movimiento.
Depende de dos variables:
Masa
Velocidad
Ec = masa x velocidad2
2
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OBJETO MASA VELOCIDAD ENERGÍA CINÉTICA
Camión 6,000 lb 25 m/s
Auto verde 3,000 lb 20 m/s
Auto rojo 3,000 lb 25 m/s
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La energía cinética video
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Clasifica en:
Energía CinéticaEnergía Potencial
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1.
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2.
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3.
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4.
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5.
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6.
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7.
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8.
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Ley de conservación de la energía
La energía no puede ser creada ni destruída solamente se transforma.
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Las fuentes de energía
SolarEólicaQuímicaEléctricaNuclearHidraulicaGeotérmicaBiomasa
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Identifica
La fuente de energía
en cada lámina
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Centrípeta – Fuerza en forma circularFuerza = Masa x Aceleración.La unidad es el Newton
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