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PHIL 1F91 Lecture : Somerville, Wilson and Descartes

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School
Brock University
Department
Philosophy
Course
PHIL 1F91
Professor
David Hayes

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Document Summary

The most important course you will ever do. Is there such a thing as human nature: 2. = do we have free will or are we like dominoes, chess pieces or dogs: 3. Do we have a soul [or spirit or mind], that is, a non-material component or are we just bodies with a very complex body part called a brain: 4. Are we naturally good [= altruistic] or naturally evil [= selfish, greedy egoists]: 5. How to think about this course2: what have you learned from the past [= history and pre- history] about the world, what have you learned from or are learning from other courses, be a lighthouse not a bucket!!! Human nature: arranged both chronologically and thematically, chronologically: first half is a long period of time: 400 bce to cir. Common era: 2nd half is post-malthusian era, thematically: Human nature: thematically: the first 2 parts 3 distinct themes: antiquity, early modernity and.

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Related Questions

Hello, this question is extremely important. Rating highestlevel, but you must answer all 5 parts of question to receive fullcredit. Please list all steps, graphs, etc. as they're needed andany intuition you used to complete problems. Thank you,

8. An abrupt silicon p-n junction has NA = 2 x 10^14 cm^-3 on one side andND = 5 x 10^15 cm-3 on theother. At atemperature of 300°K

a) (4) Find the position of the Fermi levels in both the p and nregions
b) (4) Find the majority concentrations in each region
c) (4) Find the minority concentrations in each region
d) (4) Draw and label the equilibrium band diagram
e) (4) Determine the size of the potential "hill"

Semiconductor Summary

Nc (cm-3) - Effective Density ofStates for electrons

NV (cm-3) - EffectiveDensity of States for holes

ni (cm-3) - IntrinsicCarrier Concentration

nn, pp (cm-3) -Majority Carrier Concentrations (electrons in n-type or holes inp-type)

np, pn (cm-3) -Minority Carrier Concentrations (electrons in p-type or holes inn-type)

ND (cm-3) - Donor DopingConcentration (density of donor atoms)

NA (cm-3) - Acceptor DopingConcentration (density of acceptor atoms)

EF (eV) - Fermi level in extrinsicmaterial

EFi (eV) - Fermi level in intrinsicmaterial

Silicon

Germanium

mn

1.1 me

0.55 me

mp

0.56 me

0.37 me

Eg

1.110 eV

0.67 eV

Nc

2.90 x 1019 cm-3

1.02 x 1019 cm-3

Nv

1.05 x 1019 cm-3

5.65 x 1018 cm-3

ni

1.0 x 1010 cm-3

1.8 x 1013 cm-3

At 300° K

Hi this is the introduction that I have written for my poster. Myposter is on the following URL (please have a look!).

http://i55.tinypic.com/e0g0w5.jpg


Please correct the introduction for any scientific or grammaticalerrors and give me your suggestions about this section as well asthe overall poster. Thanks

This is very important so if you are not good at it pleasedon't answer.
Here is the introduction :

Have you ever thought about why would thrilling rides getyou excited, make your heart racing orsometimes even make you start screaming from the depths of yourcore, forming a bead of sweat on your forehead?

Well, the answer lies in physics. These rides demonstratevery good examples of the physics laws and concepts involved innature and their affect on us in real life applications.

Height, weightlessness, high velocity, hugeacceleration, the sudden impulse and themomentary change in momentum, the work being done and the suddenchange in energy are all factors that contribute inmaking a thrilling ride an exciting one. Those factorsmake adrenalin concentrations in our body system increasecausing higher blood pressure thus stimulating theheart.. They also make the rider in a lot ofuncertainty and unexpected visual cues.

An example of a thrilling ride is the Giant Drop which isa freefall ride involving the drawing of an eight seat carriage bytwin cables to the top of the tower. After one minute full ofanxiety, the riders are plummeted down a height of 39 stories(almost 115m) then brought to a halt within meters from the groundby a sophisticated magnetic braking system.