Someone yelled, air laut naikthe sea is comingbut tourists stayed on the beach, and locals collected flopping fish stranded by the receding water. The prevailing winds in these zones blow strongest in winter. Introduction and types a wave is a transfer of energy through a medium from one point to another. The curriculum corner contains a complete readytouse curriculum for the high school physics classroom. If the solar panels were able to convert 28% of the energy that falls on the solar panels into useable power, how much power could they potentially generate at each of the locations named above. Power wave manager software manual lincoln electric. The electrical power generation methods of the generators involved in wave energy devices are depicted. Waves and wave properties lessonanatomy of a wave worksheet anatomy of a wave worksheet objective. Wave power is the capture of energy of wind waves to do useful work for example, electricity generation, water desalination, or pumping water. Plamis of ocean power delivery 4, powerbuoy of ocean power technologies 5, and aquabuoy of finavera 6. Electricity is produced in power stations and it travels a long way before arriving at our homes.
Physics 1101 maxwells equations and production of em waves. The music starts of at mesoforte medium high volume. If the surface is flat, the angle at which the wave hits the surface will be the same as the angle at which it leaves the surface angle in angle out. The course requires that students be comfortable describing and solving realworld problems using math concepts from algebra 1, algebra 2 and geometry. Figure 4 shows an atlas of the global power density distribution of the oceans where the numbers indicate kwm. The physics of waves version date february 15, 2015. The illustration below shows a series of transverse waves. You will be able to accurately label parts of a wave and describe some of the properties and behaviour of waves. Wave energy converters w ecs james r joubert johannes l van niekerk josh reinecke imke meyer october 20 centre for renewable and sustainable energy studies faculty of engineering fakulteit ingenieurswese private bag privaat sak x1 matieland, 7602 south africa suidafrika, tel. In your explanation, describe the technology, cost, environmental impacts, and safety concerns. E hn and e hcl e energy of one photon with a frequency of n c lf cl f c speed of light 3.
When the particles of the medium move back and forth along the direction of the wave motion, the wave is a longitudinal. I hope to convert you to a way of thinking about waves that will permanently change the way you look at the world. Plancks equation practice problems equations and constants. The electrode and work or ground circuits are electrically hot when the welder is on. At each interface, some fraction of the waves energy will reflect back to the source, forming a standing wave in the feed line. The higher the frequency, the more energy in the wave. Tell what is being done to make five of the following energy systems produce more usable energy. Waves passing across the top of the unit make a piston move, which pumps seawater to drive generators on land. Waves move in different ways and have different properties. Energy skate park simulation worksheet phet simulation 5. Their idea for generating wave power called ceto uses underwater equipment on the sea bed near the coast. For webquest or practice, print a copy of this quiz at the earth science.
Despite the extreme effort placed on extracting ocean wave energy and the. This is a fact sheet about a solar powered microgrid powering a village in bihar. Reflection from concave and convex mirrors quiz 4a. This collection of pages comprise worksheets in pdf format that developmentally target key concepts and mathematics commonly covered in a high school physics curriculum. A presentation wave types, mechanical waves, electromagnetic waves, parts of transverse waves, and questions like why are we able to see. The nature of light as a wave a small disturbance in an electric field creates a small magnetic field, which in turn creates a small electric field, and so on light propagates itself by its bootstraps. Energy resources student worksheets susana amoros ortega 4 ies torre vicens lleida the electricity journey. Light waves can interfere with other light waves, canceling or amplifying them. The nature of light uw madison astronomy department. The music ends at piano quietly with a sweet melody. It then crescendos into forte loud and juan plays dramatically. If a linear load is connected to this type of voltage, the load will draw current which will also have the same sine waveform. What is the wavelength of a wave having a frequency of 3. This course contains essential concepts, tips, tricks and suggestions to build upon the skills taught in our free power query fundamentals course.
Few seemed to understand that destruction was rolling their way at the speed of a jetliner. A free powerpoint ppt presentation displayed as a flash slide show on id. Example a sinusoidal wave of frequency 500 hz has a speed of 350 ms. However, the peak value of the current will depend upon the impedance. Whether encountered in the driveway as you begin your trip to school, on the street on the way to school, in the parking lot upon arrival to school, or on the way to class, the hello, good morning. Notice, you are not being asked for the values of y1 nor y2.
Wave power conversion systems for electrical energy. Wave speed equation practice problems the formula we are going to practice today is the wave speed equation. No matter how ugly your data, it needs to be cleaned for analysis, and that is the goal of this course. Instructors are permitted to make and distribute copies for their classes. Quantity symbol quantity term unit unit symbol v wave speed meterssecond ms wavelength meter m f frequency hertz hz remember. The problem is that its not easy to harness this energy. Furthermore, as you will see, these principles are a great practical help both in understanding particular wave phenomena and in solving problems. Pdf wave power calculations for a wave energy conversion. The energy of a ripple on a pond is proportional to the amplitude squared.
Some of the worksheets below are waves worksheets middle school pdf waves and wave properties. Spilling waves occur on gradually sloping ocean bottoms. Evaluate the feasibility of wave energy as a practical alternative energy source using ocean observing. Identify the parts of a wave and draw your own diagrams of waves. The practice quiz is to gauge your understanding of the material and give you an idea of how much studying you should complete prior to taking the final quiz that will be put into the grade book.
A presentation types of waves, plane waves, spherical. When students are first learning about semiconductor devices, and are most likely to damage them by making improper connections in their circuits, i recommend they experiment with large, highwattage components 1n4001 rectifying diodes, to220 or to3 case power transistors, etc. Returned power cheat sheet as the electric wave travels through the different parts of the antenna system receiver, feed line, antenna, free space it may encounter differences in impedances. Another company is called renewable energy holdings. In addition, the vital control technologies in wave energy converters and devices are.
What is the period of a radio wave that has a frequency of 88. All the questions on this quiz are based on information that can be found at earth science. Chapter 10 wave ratios and measurements 10 astrocycle. The simple back and forth motion of the hand is called a wave. Wave speed equation practice problems conant physics. Wave power calculations for a wave energy conversion.
The physics classroom grants teachers and other users the right to print this pdf document and to download this pdf document for private use. Do not touch these hot parts with your bare skin or wet clothing. Plunging waves are formed when waves approach a shore over a steeply sloped bottom. When all three are present, wave phenomena always occur. A machine that exploits wave power is a wave energy converter wec wave power is distinct from tidal power, which captures the energy of the current caused by the gravitational pull of the sun and moon. World resource of wave power wave energy is unevenly distributed over the globe. A wave is a transfer of energy through a medium from one point to another. Many types of waves exist, including electromagnetic waves and mechanical waves. Additional practice is provided to you if you do not score at least a 70% on the practice quiz. Pdf solar energy is one form of income on which we can afford to live. Ulion, kelly energy ch3, waves, light, sound coxsackieathens.
Power query is by far the best data preparation tool ever created for the business user. In this worksheet, we will practice relating sound intensity level in decibels to sound wave intensity, amplitude, and pressure changes that waves produce. A wave has a wavelength of 125 meters is moving at a speed of 20 ms. Ocean waves are caused by the wind as it blows across the sea. The pdf file below accompanies the refraction interactive.