mass
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In this lecture Professor Lewin covers elastic and inelastic collisions, including a discussion on center of mass and internal inergy. He concludes with a Newton's Cradle demonstration, soliciting an analytical proof of his demo showing a lineup of colliding balls.
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This course consists of an international analysis of the impact of epidemic diseases on western society and culture from the bubonic plague to HIV/AIDS and the recent experience of SARS and swine flu. Leading themes include: infectious disease and its impact on society; the development of public health measures; the role of medical ethics; the genre of plague literature; the social reactions of mass hysteria and violence; the rise of the g...more
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Environmental Politics and Law (EVST 255) This lecture continues the previous class's discussion of tobacco law. In this class, Professor Wargo highlights the unique issues of freedom of choice and freedom of speech that tobacco regulation create, as tobacco regulation restricts individual choice and corporate freedom of speech via advertising restrictions. Tobacco law also illustrates the difficulties of managing environmental hazards ...more
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Figuring out the empirical formula from a molecules mass composition.
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The discussion of four-vector in relativity continues but this time the focus is on the energy-momentum of a particle. The invariance of the energy-momentum four-vector is due to the fact that rest mass of a particle is invariant under coordinate transformations.
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Intuition behind the motion of a mass on a spring (some calculus near the end).
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Concepts covered in this lecture begin with the restoring force of a spring (Hooke's Law) which leads to an equation of motion that is characteristic of a simple harmonic oscillator (SHO). Using the small angle approximation, a similar expression is reached for a pendulum. To demonstrate that the period is independent of the mass of the bob, Professor Lewin places himself at the end of the 5 meter long cable and measures the period.
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Estrin talks about the key things that entrepreneurs can do to adapt to the climate today: 1) Adjust business model and expenses 2) Ask yourself, can I afford to run this business at critical mass? 3) Look for areas of incremental growth 4) Lead with tight execution skills and flexibility
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Figuring out the mass of Oxygen we have.
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Figuring out the molar mass of a mystery molecule at STP.
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Professor Channing Robertson of the Stanford University Chemical Engineering Department discusses balancing equations and the conservation of mass in relation to process design.
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Earth & Space Science 15: Introduction to Oceanography is a class that provides a general introduction to geological, physical, chemical, and biological processes and history of Earth's global oceanic system. Edwin Schauble is an Associate Professor from UCLAs Department of Geochemistry and Astrobiology. His current area of study and collaboration include species-dependent isotopic signatures in dissolved iron, spectroscopic signatures ...more
