Videos tagged physics
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Connecting force and motion
In this video, we discuss the connection between force and motion, talking about Newton's second law as well as Newton's first law, and its implications.
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Forces - an introduction
In this video, we define force, and then go on to discuss three forces in particular, the force of gravity, the force of tension, and the normal force.
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Boston University Pumpkin Drop 2011
Boston University Physics Department's annual Pumpkin Drop
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Universite de Geneve, 2
Le prof Pohl enseigne la physique a Geneve
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Universite de Geneve, 1
Sur l'Universite de Geneve, ou nos etudiants de physique vont pres du CERN
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PY105 pre-class video for session 23 - rotational kinematics
In this video, we introduce rotational kinematics. In other words, we start talking about how we describe the motion of rotating objects. One of the themes of the video is the introduction of a new set of variables - we'll talk about why we need [...]these variables, and how they're connected to the one-dimensional motion variables we're already familiar with. Another big theme of the video is the parallels that exist between one-dimensional straight-line motion and rotational motion, including the fact that the equations we use for rotation have exactly the same form as the equations we used for one-dimensional motion with constant acceleration.
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2011 Physics Department Commencement
in the SMG 9th Floor Ballroom. Congratulations to all the grads!
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PY106 pre-class video for session 43 - Radioactivity
This video is the last video of the year. In this video, we look at radioactivity. First, we look at some general trends in the chart of the nuclides. Then, we look at how a sample of radioactive material decays over time. Finally, we wrap things up [...]with a sample calculation.
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PY106 pre-class video for session 42 - The nucleus
In this video, we talk about some general features of the atomic nucleus, such as what it is made up of, how large it is, and what keeps it together. We will also look at the idea of the mass defect, which is related to the binding energy of the [...]nucleus. The video includes a calculation of the mass defect of a carbon-12 atom.
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