Radio waves for Communication Radio waves are electromagnetic waves with wavelengths larger than the infrared light. Like all other electromagnetic waves‚ they travel at the speed of light. The wavelengths can vary from the size of a football field to the size of a football. They can be produced naturally by large stars and by lightning. Man-made radio waves are used for transmitting signals and currents. Specific Properties of Radio Frequency (RF) Current Radio frequency is the frequency of radio
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1. Jelly Roll Morton- Pianist (1890-1941) He was a creole who went on the road performing after his family got kicked him out for performing at a prostitute house. 2. Buddy Bolden- Trumpeter (1877-1931) He was known as the “Father of Jazz”. However‚ due to his drinking habits and a full diagnosis of dementia praecox‚ he was admitted to the Louisiana State Insane Asylum at Jackson‚ a mental institution‚ where he spent the rest of his life. 3. Sidney Bechet- Clarinetist (1897-1959) He never recorded
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Author Rick Yancey‚ published on May 8‚ 2013‚ The 5th Wave. This novel occurred in present-day Dayton‚ Ohio. The 5th Wave is a novel about a sixteen-year-old named Cassiopeia “Cassie” Sullivan that tries to survive an alien invasion. The aliens‚ also known as the Others‚ attacked in five waves. The first wave was when the alien spaceship sent an electromagnetic pulse that caused all the electricity and technology to be shorted out. The second wave caused a tsunami that was heading towards Cassie and
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Can you imagine reliving the time of the Holocaust? Well‚ in the book "The Wave" by Todd Strasser‚ the students of Gordon High School experience something similar to the Nazi Party take over. I couldn’t imagine what it’d be like to be in one of the students place‚ I wouldn’t know how to react to it if I were in their position. But while reading the book it was very realistic and had me wondering with every turn of the page. It all started when history teacher Mr. Ben Ross teaches his class about
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Date:20-November-2006 Physics 210 STANDING WAVES ON A STRETCHED STRING A) Resonant frequencies versus n: Distance between bridges = 0.6 m. Tension = Mg = 9.8 N. Mode Signal Generator Frequency (Hz) Wire frequency (Hz) Node to node distance (m) Wavelength (m) First 39 78 54.9 109.8 Second 75.9 151.8 27.8 55.6 Third 117 234 18.3 36.6 Fourth 160.4 320.8 14 28 Fifth 198.95 397.9 10.1 20.2 Note: The Wire frequency is double the Signal Generator
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water waves caused by the displacement of a large volume of a body of water‚ typically an ocean or a large lake. The effects of tsunami will bring a lot of problem to the nation and community. The effects of tsunami will bring a lot of problem to the nation and community .The general cause of tsunami is earthquakes and it will makes environmental impact and destruction. Firstly‚the main cause of tsunami is from the effect of earthquakes.Tsunami‚ also called seismic sea waves or‚ incorrectly
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Namee: Paul G. Zamora (Homework in Performance Techniques) Sound Waves- A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air‚ water‚ or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration‚ such as a ringing telephone‚ or a person’s vocal chords. The vibration disturbs the particles in the surrounding medium; those particles disturb those next to them
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Longitudinal and transverse waves Sound is transmitted through gases‚ plasma‚ and liquids as longitudinal waves‚ also called compression waves. Through solids‚ however‚ it can be transmitted as both longitudinal waves and transverse waves. Longitudinal sound waves are waves of alternating pressure deviations from the equilibrium pressure‚ causing local regions of compression and rarefaction‚ while transverse waves are waves of alternating shear stress at right angle to the direction of propagation
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What are UltraSonic Waves? Ultrasonic waves are sound waves with frequencies high about human hearing and short wave lengths. Sound waves have frequencies about 20‚000 to 100‚000. Also Ultrasound frequencies range from 20 kHz (the upper range of hearing for a young adult human) through 150 kHz (audible to some bats and other creatures)‚ right up to 10 MHz (used in some medical treatments and industrial cleaning applications). While these frequencies overlap with those of radio waves‚ they are different
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quotes). The Fifth Wave by Rick Yancey is about an alien attack on Earth and each attack is called a wave. Each wave kills more people than the last. During the fourth wave a teenager named Cassie gets separated from her little brother Sam. Cassie does everything in her power to reunite with her brother. During her search‚ fate leads her to meet a mysterious character named Evan Walker. Cassie is forced to trust Evan if she wanted any chance of finding her brother. The Fifth Wave uses alternating
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