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Technology

Peace

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Tribute I believe in peace. I believe that if everyone gave up their selfishness to live one day in the life of a less fortunate person they would forever be grateful for everything they have. Peace goes hand in hand with equality. If everyone had the same morals, ideas, and were given the same opportunities they would essentially be peaceful. Money and greed have created many problems in the world today. Money is a part of our everyday lives but what if there was a world without it? Can we have peace? I believe so. I am discontent about the selfishness in the world. Why is it that everyone cannot have the same amount of money and the same opportunities?

AP Chem Notes

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South Pasadena ? AP Chemistry Name ________________________________ Period ___ Date ___/___/___ 2 ? Atoms and Elements ATOMIC STRUCTURE? Parts of Atoms: Most people already know that the atom is made up of three main parts, the _______________ and ______________ in the nucleus and the ______________ somewhere outside of the nucleus. Let?s summarize: proton neutron electron symbol charge location mass size (see below) Let?s make this more visual using information from the Chart of Fundamental Particles. If the proton were 10 cm in diameter? the size of an orange, how big would everything be? object actual size model size model proton 10-15 m 10 cm orange neutron 10-15 m electron 10-18 m atom 10-10 m

Physics the doppler effect

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Chapter 4.5/A2 The Doppler Effect Thursday, January 24, 2013 6:20 PM ? Formulas & Theorems Covered Today: Frequency Formula Moving Source Toward: Fo= Fs/ 1- (vs /c) Away: Fo= Fs/ 1+ (vs /c) Moving Observer Toward: Fo= Fs* [1+ (vo /c)] Away: Fo= Fs* [1- (vo /c)] Wavelength Formula Moving Source ?o = ?s (1 - (vs/c)) Moving Observer Example Questions: Sound wave f= 300Hz is emitted towards approaching car (moving observer towards). Wave is reflected back f2= 315Hz (moving source towards). V of the car? ? ? v= 8.29 m/s ? A train with siren of 500Hz is moving at a constant speed of 8.0 m/s. What f does observer hear? ? Calculate the train f moving towards and away and that is the range of frequency that the observer will hear. ?

ecology

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Ecology-A Study of Relationships Ecology means the study of the home Ecology is the study of organisms in their natural environment Biosphere is everywhere that life exists Viewing planet Earth from Space Satellites are an economical way to gather data; they have sensors, these gather data quickly from a very large region, and they last a long time Electromagnetic radiation Total ozone-mapping spectrometer Understanding environmental interactions allows us to predict the effects of human activity Biomes- Climatic Zones of Life Biome- a large geographic region determined by the climate and soil type Climate- average weather pattern over a long period of time Ecosystem- a Functional Unit Ecosystem is the Functional Unit because biome is too big to conduct research

AP Psychology Perception

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Perception If sensation is the bottom-up process of converting environmental energy into central nervous system messages, perception is the top-down process to make sense of those messages. Computers and robots simply detect and respond based on a network of predetermined rules. As humans, our previous experiences, opinions, and expectations mold fundamental sensations into individual perceptions; foods have a personal taste, certain music inspires emotion, colors affect our moods. Selective attention, sometimes labeled the cocktail party effect, is the ability to focus our concentration on specific stimuli. We mask the chaos of surrounding sensations and focus our attention on what we interpret to be important.

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