GEOG 4 Lecture Notes - Lecture 8: Private Bank, Financialization, Big Questions

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whiteraccoon303

29 Nov 2015

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Today"s agenda: review lecture 10: capital markets, review lecture 11: globaliza9on and migra9on, migra9on exercise. Di erences between direct investments & porrolio investments. Afer produc9on and consump9on, now also. Moreover, it facilitates even further spread" of globaliza9on. Pull factors: violence (war or high crime, economic hardships, ethnic or religious persecution, degraded resources, natural disasters or poor weather, peace (or more security, economic opportunities, freedom from persecution, better sense of place or weather. Three big quescons in the economics of migracon. If there is wage inequality in the host/des9na9on countries, higher skilled workers will move. If there is wage equality in the host/des9na9on countries, less skilled workers move. 5: the top ve countries receiving legal permanent residents were: mexico, china, india, Even in the o cial sta9s9cs, there are very few strictly. Migra9on is a social, poli9cal, cultural and economic process.

Related Questions

Review. As shown in Figure P10.77, two blocks are connected by a string of negligible mass passing over a pulley of radius r= 0.250 m and moment of inertia I. The block on the frictionless incline is moving with a constant acceleration of magnitude a = 2.00 m/s2. From this information, we wish to find the moment of inertia of the pulley. (a) What analysis model is appropriate for the blocks? (b) What analysis model is appropriate

peachdinosaur663

Review. As shown in Figure P10.77, two blocks are connected by a string of negligible mass passing over a pulley of radius r= 0.250 m and moment of inertia I. The block on the frictionless incline is moving with a constant acceleration of magnitude a = 2.00 m/s². From this information, we wish to find the moment of inertia of the pulley. (a) What analysis model is appropriate for the blocks? (b) What analysis model is appropriate

for the pulley? (c) From the analysis model in part (a), find the tension T₁(d) Similarly, find the tension T₂. (e) From the analysis model in part (b), find a symbolic expression for the moment of inertia of the pulley in terms of the tensions T₁ and T₂. the pulley radius r, and the acceleration a. (f) Find the numerical value of the moment of inertia of the pulley.

plummole511

I am so lost onwere to even begin. I just need help trying to find the Ñ² (angle)for part part 1 of the experiment if anyone can just explain how todo that and maybe give me a step-by-step example so I can finishthe rest. Thank you! Experiment 6 ~ Friction

Purpose:

In this lab, you will make some basic measurements of friction.You will measure the coefficients of staticfriction between several combinations of surfaces using aninclined plane, and you will measure the coefficient ofkinetic friction between two of the combinationsof surfaces you used in the static friction part of thisexperiment.

Part 1: StaticFriction

Theory:

The coefficient of static frictionm_s can be measured experimentally foran object placed on an inclined plane (a.k.a. ramp, a.k.a. hill).The coefficient of static friction is related to the criticalangle q_c for the ramp, at whichthe object just begins to slide. Using what we havecovered in class, you can derive this relationshipyourself! At this critical angle, static friction preventing theobject from sliding down the hill is just exactly equal to thecomponent of the objectâs weight along the hill. If the componentof the weight along the hill were just a little greater, it wouldovercome friction, and the object would start to slide down. Thefree body diagram for this situation will look like the figuresketched below. Use this diagram to find an equation that relatesm_s toq_c.

Questions:

1. How do the values of m_s compareto the values of m_k? (Of course, youcan only compare them for the same pairs of materials.)

2. Is the relationship betweenm_sand m_kwhat you expected?

3. Of the two parts of the experiment, measurement ofm_sand measurement ofm_k, which had more sources of error?What were some of the sources of error?

4. Could m_k orm_s ever be greater than 1? Explain whyor why not.

5. Is the coefficient of friction the same as when the block wasstanding on its larger (or smaller) end?

6. Think about your results. Do they make sense when youconsider your everyday experiences?

GEOG 4 Lecture Notes - Lecture 8: Private Bank, Financialization, Big Questions

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