7.6 Questions Suppose that a galaxy has emission lines in its optical spectrum. A line of wavelength 654.3 nm is broadened by 2.0 nm. Estimate the velocity dispersion of the gas giving rise to the broadened spectral line 4.1 The experimental result One way to establish the speed of sound is to measure it experimentally. That is, one measures how long the sound takes to travel a known distance, and from this works out the speed. The answer turns out to depend somewhat on the prevailing temperature and humidity. At an air temperature of 14 °C the speed is 340 metres per second and at about 22.5 °C it is 345 metres per second. That is a change of speed of less than 1.5 per cent for an appreciable change of temperature. To a reasonable ap 5 Summary From the point of view of the contributors in the audio clips, the work individuals have done to promote change is the most obvious source of pressure. Working together, they see that parents have had a major impact over the past 50 years. However, you can also discern the impact of ideas here, the idea that parents were ‘no longer primarily working-class objects of suspicion, but respectable, often middle-class people “burdened with care”, deserving of more public sympathy and su Cost of Elections 1.1 Introduction An interesting analysis of Napoleon's involvement in Spain is provided by Stendhal in A Life of Napoleon, chapters 36 to 43. Stendhal argues that Napoleon's basic error was to see Spain as susceptible to the imposition by the French of the kind of enlightened reforms which had been welcomed elsewhere in Europe. Stendhal particularises, in a way characteristic of Romantic writers, on what he considers a highly distinctive Spanish national character, which in his view explains the hostil MSU Real L.I.F.E. Budgeting Learning outcomes After studying this course, you should be able to: conduct searches efficiently and effectively find references to material in bibliographic databases make efficient use of full text electronic journals services critically evaluate information from a variety of sources understand the importance of organising information. 3.1 Tables and flat databases Databases lie at the heart of many e-government systems, and at the heart of many other IT systems. The local government websites you looked at in Activity 6, for instance, almost certainly used databases a great deal, as do the majority of central government sites. Away from e-government, the websites for Amazon or eBay, for example, use huge databases. Constructing a database of any complexity requires careful thought about the way information is organised in any particular context. A Introduction The aim of this course is to enable you to get started in Latin. It has been developed in response to requests from students who had had no contact with Latin before and who felt they would like to spend a little time preparing for the kind of learning that takes place on a classical language course. The course will give you a taster of what is involved in the very early stages of learning Latin and will offer you the opportunity to put in some early practice. This OpenLearn course prov 2.3 IT and you Sometimes it's useful to stop and think a bit about your own experiences and focus on your own views. This can help you understand issues in more depth. For example, when studying the impact of IT on everyday life, your own experiences are a useful resource. A Celebration for the Elon Academy Epsilon Class 6.2.1 Studio conventions in street photography Look at Images 81 and 82. Given your knowledge of conventional studio portraiture, can you see any similarities between studio and street practice? Writing Responses to Open-Ended Questions
Question 15
Whether a candidate is campaigning for the presidency, the Senate, or for the House of Representatives, running for public office can be costly. It is rare for an individual to run a successful campaign by merely collecting signatures and placing his or her name on a ballot. Candidates who want to inform voters about their platforms must spend money on a campaign.
(Video is narrated with slides and speeches.)
MSU Real L.I.F.E. goes into detail about how to budget money as a student.
Activity 4
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Activity 23
This is a presentation of 16 slides that addresses how to answer open-response questions. View at your own pace.
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