Geography 1100 Lecture Notes - Lecture 6: Unit, Exaggeration

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redporpoise263

21 Jan 2016

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> successvie groups of different cultures and how they view and feel they can use the land. > changing the landscape based on culture they bring with them. The melting of glaciers brought about the norfolk sand plains. Europeans came next looking for resources -> fur, lumber, farming. With the trees removed, wind erosion took soil away. During the civil war of 1860 - 1864, the crop was worth more. Moved to saskatchewan -> gave sections to people, larger than ontario, better living, no trees. European land was too expensive -> moved to ontario as land was cheaper, grew tobacco because it could be replanted when it reached a certain height. Trees were planted so that crops were not destroyed in high winds. Needed a quota to sell tobacco, which depends on supply and demand. Ginsing is expensive (/lb) with a 3 year risk. > determine contour line values until largest value is covered.

Related Questions

The following statements are related to an RLC circuit connected across an AC power source. Choose the words that make each statement true.

(i) The voltage across the [(a) capacitor; (b) inductor] leads the current by 90°.

(ii) The voltage across the [(c) capacitor; (d) resistor] is in phase with the current.

(iii) At resonance, the phase angle between the current and the voltage [(e) is 0; (f) depends on frequency f].

(iv) The maximum and rms voltages from the power source are related by [(g) ; (h) ].

bronzedeer29

Suppose that the three fundamental standards of the metricsystemwere length, density, and time rather than length, mass, andtime.The standard of density in this system is to be defined asthat ofwater. Which of the following are among the considerationsaboutwater that you would need to address to make sure that thestandardof density is as accurate as possible?

i) that the amount of water is at some defined value

ii)that the pressure of the water is at somedefinedvalue

iii)that the temperature of the water is at sdomedefinedvalue

iv)that the water is pure

An air heater consists of a steel tube ( = 20 W/mK) with inner and out radii of and , and eight integrally machined longitudinal fins, each of thickness t=3 mm. The fins extend to a concentric tube, which is of radius and insulated on its outer surface. Water at a temperature flows through the inner tube while air at flows through the annular region formed by the larger concentric tube.

a. Sketch the equivalent thermal circuit of the heater and related each thermal resistance to appropriate system parameters.

b. If h_i = 5000 W/m²K and h_o= 200 W/m²K, what is the heat rate per unit length?

amaranthmouse551

Geography 1100 Lecture Notes - Lecture 6: Unit, Exaggeration

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