'Energy time' diaporamas de présentation

CS 88/188 Computational Models of Human Behavior

CS 88/188 Computational Models of Human Behavior. http://www.cs.dartmouth.edu/~tanzeem/teaching/CS188-Fall08/ Instructor: Tanzeem Choudhury tanzeem.choudhury@dartmouth.edu. Acknowledgement.

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Habitability at local scales

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Habitability at local scales

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Greenhouse Gases and climate change

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Light is electromagnetic radiation!

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Unit 7: Chemical Equations

Chemistry. Unit 7: Chemical Equations. For a reaction to occur, particles of reactants must collide, and with sufficient energy . Evidence of a chemical reaction:. odor . light. heat. gas emitted. sound. color change. A reaction has occurred if the chemical and physical

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ELECTRICITY

ELECTRICITY. Static Electricity. Static electricity is when a charge is built up on an object. The charges do not move. This is usually caused by friction. Examples: feet rubbing against the carpet, combing hair, rubbing a plastic strip with a cloth. Static Electricity.

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Units and Dimensionality

Units and Dimensionality. Systems of Units. SI or metric system US or Conventional system. SI or Metric System. Basic Units Length meter Mass kilogram Time second Charge Coulomb Temperature K. Conventional/US System. Basic Units Length foot Force pound Time second

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Bio-Ecological Stress

Bio-Ecological Stress. Stress arousal resulting from our relationship with our environment. Symptoms. Irritability Emotional instability Depression Anxiety Decreased functioning Sleep disorders Suppressed immunity. Time. Deadlines Seasons Temperature time Metabolic time Energy time

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Key Areas covered

Key Areas covered. Work done, potential energy, kinetic energy and power in familiar and unfamiliar situations. Conservation of energy. What we will do today. Revise conservation of energy from N5. State the law of conservation of energy.

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Evaluated Reference MS/MS Spectra Libraries

Evaluated Reference MS/MS Spectra Libraries. Current and Future NIST Programs. NIST/EPA/NIH Library of EI Mass Spectra. Archive Program Computer Assisted Evaluation. Search Program/Algorithms. NIST MS/MS Library. June 2005 - 5,191 Spectra 1,920 Precursor ions (incl. 292 Anions)

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SOURCE OF EMF POWER

SOURCE OF EMF POWER. E sets up current. Current causes charge build up on ends. Eventually current stops. Analogous to water fountain. Source of emf. Work done per charge. Power. Rate by which energy is generated/utilized/dissipated Energy/time ?U/time ?(QV)/time =Q ?V/time=I?V.

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?-Calibration

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Power and electrical power

21 st October. Power and electrical power. Objectives Understand what power is. Explain that the amount of electrical energy a device transforms depends on how long the appliance is switched on for and the rate at which the device transforms energy.

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11-9 Energy Transported by Waves

11-9 Energy Transported by Waves. Energy transported by waves is proportional to the square of the amplitude. Intensity (I) of a wave is defined as the power (or energy per unit of time) transported across unit area perpendicular to the direction of energy flow.

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