Seismic Waves What are seismic waves? Seismic waves are the waves of energy caused by breaking of rock within the earth or an explosion. These waves are the energy that travels through the earth and is recorded on seismographs. There are many different types of these waves‚ but the two main ones are the body waves that usually travel though in inner layer of the earth‚ and the surface waves that only move around the surface of the planet. Body waves travel through the inner layer of the earth
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Surface Waves: Understanding its movements I. Introduction We treat here an important wave phenomenon‚ the surface wave. It occurs in many physical systems both mechanical and electromagnetic. Mechanical surface waves can exist at the interface between two media with different densities such as the oceans and air. Ordinary sea waves and tsunamis are surface waves. Seismic events can produce both longitudinal and shear waves at the earth’s surface‚ resulting in earthquakes. Electromagnetic surface
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teaching skills and thought The Third Wave was disturbing normal learning in his class. It even crossed his mind that he” Should have I been teaching this technique all along?” just because of the positive response in the beginning. Mr. .Jones was extremely surprised by the student’s desire and response to fulfill his task. Students not only obeyed him‚ but not even questioned his demands. As the week went on more kids felt that they needed to be a part of The Third Wave. I’m also very surprised that
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Ailene Brukman-Stivi Professor: Haim Deuel Lusky Postmodernism and Feminism The question of what happened to feminism during the postmodern times is not easily encapsulated in one phrase or idea as it is actually an amalgam of often purposely ambiguous and fluid ideas. One would have to start researching about postmodernism and what it means‚ let alone search about the history of feminism and its development. After one would research a little bit about postmodernism he or she would
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Enquiry Study(IES) on the “Impacts of Korean Wave Stars on the Personal Development of Teenagers in Hong Kong”. Therefore‚ I would like to ask that you please help me fill out this questionnaire on the topic. All information obtained is for the enquiry’s purpose and will remain confidential. Thank you. Personal Information Sex: [] Female [] Male Age: [] 11-13 [] 14-16 [] 17-19 Part A 1. Do you describe yourself as a fan of Korean wave stars? [] Yes (go to question 2)
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Black Feminism “Feminism in general is a collection of movements and ideologies aimed at defining‚ establishing‚ and defending equal political‚ economic‚ and social rights for women.” Black Feminism is a strand of feminist thought‚ which highlights the manifold disadvantages of gender‚ class and race that shape the experiences of nonwhite women. Black feminist organizations emerged during the 1970s and they had to face manifold difficulties from both the white feminist and Black Nationalist
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my chair out of his office‚ and headed for the boardwalk. The sun is setting; the ocean waves are crashing against the shore pounded with the rhythm of my beating heart. Spending the rest of my life in a wheelchair meant giving up the things I love‚ no dancing‚ no high heels‚ no hiking‚ no beach-combing. As I watched as the waves rose up‚ curled‚ then crashed; drew back into the sea. With each crash‚ the waves seemed to pull a piece of my life out to sea‚ saying‚ no more. . . no more. ... I couldn’t
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Feminism Unit 7 Sociological Perspectives Feminist Perspective Feminism is a movement or a revolution that includes women and men who wish the world to be equal without boundaries. These boundaries are better known as discrimination and biases against gender‚ sexual orientation‚ age‚ marital status and economic status. Malestream Sociology Feminists have argued that sociology has been dominated by male theoristsmalestream sociology. Abbott and Wallace (1997) argued that because of this sociology
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Electromagnetic waves in space See the book “Optics” by Hecht sections 3.2 and 3.3 Speed of light: EM waves travel in a vacuum with speed c = c = 299‚792‚458 ms-1 exactly They are transverse waves with (vector) E and B field orthogonal to each other‚ for this section bold indicates vector quanties. When far from the source (many wavelengths) the E and B fields are in phase The vector E x B points in the direction of motion Travelling waves can be written as E = E 0 ⋅ ei ( kx −ωt ) and B = B 0 ⋅ ei
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1.0 What Causes the Tides Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational interaction between the earth and the moon. Tides are the cyclic rising and falling of earth’s ocean surface caused by the tidal forces of the moon and the sun acting on the earth . Tides cause changes in the depth of the sea and produce oscillating currents known as tidal streams‚ making prediction of tides important for coastal navigation. The strip of seashore
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