Discuss ways in which the constraints on possible solutions to an engineering design problem arise.

1. Which condition best describes North America during the Cambrian?

1. equatorial; rotated ~90^o clockwise from present
2. equatorial; rotated ~90^o counterclockwise from present
3. polar; rotated ~90^o clockwise from present
4. polar; rotated ~90^o counterclockwise from present

2. Which orogeny represents the first major mountain building event along the east coast of North America during the Paleozoic?

1. Acadian     b. Appalachian            c. Cordilleran d. Taconic

3. The Martinsburg Formation represents sediment derived from mountains formed during the _____ Orogeny.
   1. Acadian                 b. Appalachian            c. Cordilleran d. Taconic
4. Which group of organism represents about 50% of the fossils found in Cambrian rocks?
   1. ammonites             b. brachiopods             c. pelecypods d. trilobites
5. What modern group of organisms is most likely related to archaeocyathids?
   1. brachiopods           b. cephalopods                        c. corals           d. sponges

What are the disadvantages of polymers? What is an electrical property of a polymer and is there any exception to that electrical property? if so, what is it?

If the winds are in a steady state condition, what are they doing?

A. The winds are ageostrophic.

B. There is no net force and no additional acceleration.

C. The wind speeds have become supergeostrophic.

D. All of provided choices are true

Name the clouds and give the weather condition by their appearance and information provided

Which of the following phrases will make this statement TRUE? Dispersion ______.

Group of answer choices

describes the spreading of light as a result of differential refraction

describes the spreading of light as a result of total internal reflection

generates allochromatic colours in gemstones

is a unique property to diamond

describes the reflection of light that incidents on a medium of higher refractive index

A physician prescribes an otic suspension to contain 100 mg of cortisone acetate in a final volume of 8 mL. On hand in the pharmacy is a 2.5% cortisone acetate suspension.

a. How many mL of the stock solution are required to make this suspension? Your answer must include units (mL).

b. How many mL of normal saline (NS) will you use as a diluent? Your answer must include units (mL).

A powerful contribution of the 1^st and 2^nd laws is to determine the design feasibility of a process/device/system. Please determine the feasibility of the following flow device: a steady-state flow device in which the inlet is steam at 300and 5 bar, the outlet is saturated steam at 100 and 1 bar, the device is adiabatic and produces approximately 500 kJ per kilogram of steam passed through the device.

Explain how the the annual cost per kWh is calculated for alternative power sources including wind, fossil fuels, and nuclear. As part of your discussion, explain why it is important to make comparisons this way.  

This question is from Chapter 24: Wind Energy Power Company, Inc: Analyzing a Wind Energy Investment. Hint: See Appendix 24.3.

2.Refer to Exhibit 24.5, Panel A. Which type of energy had the lowest cost per kWh to produce electricity in July 2008?

This question is from Chapter 24: Wind Energy Power Company, Inc: Analyzing a Wind Energy Investment.  

a. natural gas

b. coal

c. nuclear

wind turbines

3. The Midwest Price Spike was eventually found to be a failure of what financial risk?

Hint: This question is from the reading about the 10 Biggest Energy Risk Management Disasters.

a. All of the above are correct

b. Market Risk

c. Operational Risk

d. Credit Risk

Does the sun have an orbit, if so what causes this orbital motion?