You have seen how any vector given in geometric form, in terms of magnitude and direction, can be written in component form. You will now see how conversion in the opposite sense may be achieved, starting from component form. In other words, given a vector aÂ =Â a 1 iÂ +Â a 2 j, what are its magnitude |a| and direction Î¸?

The first part of this question is dealt with using Pythagorasâ€™ Theorem: the magnitude of a v
Author(s): The Open University

01.06.2012 â€“ Langsam gesprochene Nachrichten
Trainiere dein HÃ¶rverstehen mit den Nachrichten der Deutschen Welle von Freitag â€“ als Text und als verstÃ¤ndlich gesprochene Audio-Datei. *** BundesauÃŸenminister Guido Westerwelle hat Russland aufgefordert, seine Haltung im Syrien-Konflikt zu Ã¼berdenken. Westerwelle sagte der Zeitung "Die Welt", Russland komme eine SchlÃ¼sselrolle zu, um einen FlÃ¤chenbrand in der gesamten Region zu verhindern. Das kÃ¶nne nur gelingen, wenn die internationale Gemeinschaft zusammenstehe. US-AuÃŸenminister
Author(s): No creator set

Presentatie waarmee het optellen en aftrekken tot 6 ingeoefend wordt. Leerlingen zien de oefening en noteren het antwoord op een blaadje.

Author(s): No creator set

Chumash Native American Video Â
The Chumash Native Americans lived in where is now Santa Barbara and Ventura in California. They lived in round hut homes and survived from the food the ocean provided and also acorns.
Women often worn coats and aprons of deer skin.
The Chumash left behind many rocks and paintings that may have represented sacred places. This is a student done presentation.

Author(s): No creator set

Internet Governance and Regulation: The Future of the Internet - and How to Stop It
What lies around the corner for the Internet .. and how do we avoid it? How can we study and affect the future of the Internet using the distributed power of the network itself? This is Jonathan Zittrain's inaugural lecture at the University of Oxford. This inaugural lecture by Professor Jonathan Zittrain proposes a theory about what lies around the corner for the Internet, how to avoid it, and how to study and affect the future of the internet using the distributed power of the network itself,
Author(s): No creator set

Photography 130 panel discussion
Photography 130 panel discussion. Thursday 16 March at RMIT Gallery - exploring 130 years of photography at RMIT with Shane Hulbert, Pauline Anastasiou, John Billan, Gale Spring, and Alex Syndikas.
Author(s): No creator set

Salary Range for Physical Therapy Assistants
This two-minute video is about the salary range of a physical therapist assistant. The salary ranges from about 20 to 30 dollars per hour, whereas an actual PT salary ranges from \$90,000 to \$100,000 dollars a year. Both do just about the same thing but the main difference is that the assistants prepare the patients for the actual PT.
Author(s): No creator set

Diagrams come in many forms and uses, but for systems thinking and practice it is useful to think of them as models (meaning â€˜representations of realityâ€™ in everyday usage). The term â€˜modelâ€™ is used in a variety of contexts, even when there is a more commonly used term especially appropriate to its own context: models of terrain are usually called â€˜mapsâ€™; models of electrical components wired together are usually called â€˜circuit diagramsâ€™; and models of the configuratio
Author(s): The Open University

Lâ€™objectif principal de cette journÃ©e de sensibilisation Ã  la culture juridique est dâ€™aider les personnels de lâ€™Ã©cole ou de lâ€™EPLE Ã  prendre une dÃ©cision Ã©clairÃ©e lorsquâ€™une situation professionnelle met en jeu les principes du droit. DÃ©jÃ  au cours des annÃ©es 70, AndrÃ© Legrand nous expliquait, dans son ouvrage Lâ€™Ã©cole dans ...
Author(s): No creator set

Bach - Brandenburg Concertos No.4 - ii: Andante
This is a live video of the Freiburg Baroque Orchestra playing Bach's "Brandenburg Concertos No.4 - ii: Andante" in some sort of majestic hall. The picture and sound quality are excellent. Musicians are using period instrumentation to get the authentic tone quality. (3:57)
Author(s): No creator set

Statistics: Variance of a Population - Khan Academy
Mr. Khan continues his discussion about statisitics. This is the video after Sample vs. Population Mean. In this video, he discusses the variance of a population. (12:22)
Author(s): No creator set