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A copper wire has a radius of 0.8mm and carries a current of 0.45A. If 8.5x10 28 m-3 electrons contribute to the electrical conductivity calculate their drift velocity? How long does it take a given electron to travel 1m? What is the kinetic energy of the electrons corresponding to this velocity? How does this energy compare with a typical spacing between energy bands of 1eV, could this energy cause an electron to be excited between the bands?
What actions/policies might make the region more prosperous and what role should the federal government play to assist these efforts in Atlantic Canada?
Stress has become so much a part of our daily life, as evidenced by the frequent use of terms like "stressed out." How we perceive stress, and deal with the stressors of life, has a major impact on our health. Consequently, stress is often disc..
Personal Derek Parfit [1] We can, I think, describe cases in which, though we know the answer to every other question, we have no idea how to answer a question about personal identity. These cases are not covered by the criteria of personal ide..
determine the temprature of the gas inside and outside of the sunspot
Cynthia was offered her dream job from the competitor to her current company, she is in the middle of a project and would leave them in a bind if she left.
In the modern world, few Americans grow up in the traditional nuclear family. The high divorce rate has led to an increase of blended families in which one or both partners have children from previous relationships that will need to blend into the ne..
anthropology midterm essay- you should choose 4 out of 5 essay questions to answer. you should aim for one to two well
Briefly explain the natural greenhouse effect and how human activities are modifying this phenomenon and why are clouds so important in the modeling of climatic change?
Describe the processes involved in the atmospheric greenhouse effect. Include the relevant parts of the electromagnetic spectrum and the significant atmospheric gases involved. Is the greenhouse effect bad for us and our planet? Explain.
In his essay "The Great Non-Debate Over International Sweatshops," Ian Maitland argues that good ethical judgment requires that more sweatshops, not fewer, are needed.
Estimate about half a page when single spaced, but no more than a full page. Use the heading Introduction for your first paragraph, then add an appropriate heading for the next three paragraphs in which you write your main content.
respond to the questions below. your responses to the questions should be composed in complete sentences and paragraphs
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