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4.2 Instantaneous acceleration

The procedure of Question 15 for determining the instantaneous velocity of the car can be carried out for a whole set of different times and the resulting values of vx can be plotted against t to form a graph. This has been done in Figure 28, which shows how the velocity varies with time. At time t = 0 s, the car has zero velocity because it starts from rest. At later times, the velocity is positive because the car moves in the direction of incre
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Building Simple Machines:  Plant Quencher
How difficult can it be to water a plant? Pretty difficult when your objective is to build the most complicated machine possible to complete this simple task. In this video segment from ZOOM, Jillian demonstrates the use of ramps, wheels, pulleys, and other simple machines to construct her "plant quencher." Closed captioning included. 
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8.5 Monitoring progress

This stage is about keeping track of your progress. Are you tackling your problem-solving activities effectively? How do you know? Could you have done things differently, made use of different tools (such as software packages) or facilities, taken more advantage of tutorials, training sessions or local expertise, or recognised that such support would have helped you?

Monitoring your own performance and progress needs practice; try to stand back and look at what you are doing as if you w
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Biométrie et protection des données personnelles (audio)

22 mai 2015 : Sophie Vulliet-Tavernier (CNIL) Biométrie et protection des données personnelles

  Séminaire interdisciplinaire organisé à l’Institut Français de l’Éducation de l’École Normale Supérieure de Lyon. Responsables : Nicolas Lechopier (Université Lyon1/Institut Français de l’Education ENSL S2HEP EA4148 Lyon) et Marc Billaud (CNRS Institut Albert Bonniot UJF/U823 Grenoble).


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Introduction to Work with Examples
An introduction to the physics equation for work, including a few basic examples of positive vs. negative work. (07:09)
Want Lecture Notes? This is an AP Physics 1 topic.

Content Times:
0:07 The Work Equation
0:45 Physics work is not what you normally think of as work
2:07 Example #1
2:46 Example #2
3:35 Example #3
4:10 Example #4
5:05 Joules, J, the units for work
5:43

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Climate Change: What it Means to Plants and Animals
Climate Change: What it Means to Plants and Animals
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Dr. Guido Tricot, Part One: Exploring Myeloma (Video)
Dr. Guido Tricot, the director of the Utah Blood and Marrow Transplant and Myeloma Program, gives an overview of multiple myeloma. He discusses the history, causes and risks factors, incidence rates, diagnosis, and treatment of this type of cancer.
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Future of the Union: Northern Ireland [Audio]
Speaker(s): Martin McGuinness MP MLA | Editor's note: The recording comprises the lecture only, it does not include the the question and answer session. There was a short interruption 11 minutes into the lecture owing to fire alarm, this section has been edited out of the recording. The deputy first minister of Northern Ireland will discuss his view of Northern Ireland’s position in the future of the Union. Martin McGuinness is a Sinn Féin politician and the current deputy first minister of N
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3.6 Viewing the data

Reverting to the relational database we constructed in Section 3.3, you might wonder what, from the user's point of view, has been gained by creating separate tables for the students and courses. With Table 1 you could see at a glance who was studying what. In the relational database it was har
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1.11 Addition and subtraction in practice - fluid balance

A common healthcare example that uses addition and subtraction involves calculating the fluid balance of a patient.

Fluid balance is a simple but very useful way to estimate whether a patient is either becoming dehydrated or overfilled with liquids. It is calculated, on a daily basis, by adding up the total volume of liquid that has gone into their body (drinks, oral liquid medicines, intravenous drips, transfusions), then adding up the total volume of liquid that has come out of their
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5.6 Modernity – challenging tradition

Delacroix also challenged tradition in paintings like Greece on the Ruins of Missolonghi (1826) and Liberty Leading the People (1830) (Plates 29 and 30), in which he mixes conventional, classical allegory with realism: the leading women in these paintings are both antique ideal and fleshy reality. (This rejection of traditional boundaries and categories was a hallmark of the Romantic mindset.) Greece on the Ruins of Missolonghi commemorates the death in 1824 of Byron at M
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4 Additional resources

Click on 'View document' to read Grammar glossary (PDF, 0.1 MB).

View document.

Click on 'View document' to read Irregular verb table (PDF, 0.2 MB).

View document.

Click on 'View document' to read Phonectic alphab
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References

Allport, D.A. (1987) ‘Selection for action: some behavioural and neurophysiological considerations of attention and action’, in Heuer, H. And Sanders, A.F. (eds) Perspectives on Perception and Action, Hillsdale, NJ, Lawrence Erlbaum Associates.
Baylis, G.C., Driver, J., Baylis, L. and Rafal, R.D. (1994) ‘Reading of letters and words in a patient with Balint's syndrome’, Neuropsychological, vol.
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1.10 Voice and the speaking subject

Discursive practices, as we have seen, order the shape of written and spoken discourse; they order the features which appear and the selection of words and phrases. But these properties are only a small subset of those which govern meaning-making. In this and in the next section we will be more concerned with patterns in the content of discourse and the psychological and sociological implications of those patterns. This will help elaborate further on the notion that language is constru
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1.6.4 Blogs

The founder of Technorati claims that the number of ‘blogs’ doubles every five months and that the creation rate is approaching two per second. One estimate I read in July 2010 put the number at 400 million ‘blogs’. Because these online diaries offer instant publishing opportunities, you potentially have access to a wealth of knowledge from commentators and experts (if they blog
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2.1 The problems of iron uptake

Iron has a high natural abundance. It is the second most abundant metallic element by mass in the Earth's crust (7.1 per cent).

Activity 1

What are the main oxidation states of iron?

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Authentic Italian Pizza
A chef demonstrates how to make pizza.  He shows how to make the dough by mixing water, sugar, salt, spices, and then making a well out of flour and adding wet ingredients to it.  He then kneads the dough, and lets it rise.  He forms the crust and adds tomato sauce. 
(9:56)

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Curious George Helps Teach How to Plant Peas
The children head to a farm to learn how to plant sugar snap peas.  They return two other times to the farm to see the various stages of the plant's growth and at the end, are excited to eat the peas that they had planted in the spring.
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Ruthba - 60 Second Impressions, GEEMA Summer School
Each year we organise a number of free one-day events and summer schools aimed at encouraging Black, Asian and Minority Ethnic students to apply to the University of Cambridge. The GEEMA Summer Schools offer a taste of university life and the wide variety of courses available to study at Cambridge, including lectures, practical work and social activities. In this 1 minute film, Ruthba, a student who participated in last year's GEEMA Summer School, explains what it's like to try out Cambridge c
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4.2 Solar energy

Solar energy, it should firstly be stressed, makes an enormous but largely unrecorded contribution to our energy needs. It is the sun's radiant energy, as noted in Box 2, that maintains the Earth's surface at a temperature warm enough to support human life. But despite this enormous input of energy to our ci
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