PPT-Chapter 12: Mechanical Waves and

Sound 2016 Pearson Education Inc Goals for Chapter 12 To describe mechanical waves To study superposition standing waves and sound To present sound as a standing longitudinal wave To see that waves will interfere add constructively and destructively. S8P4. Students will explore the wave nature of sound and electromagnetic radiation. . a. Identify the characteristics of electromagnetic and mechanical waves. . What are waves?. Waves carry energy. Rhythmic disturbances that carry energy without carrying matter are called waves.. Waves. Ch. 20 Sec. . 1 & 2. The Nature of . Waves & Properties of Waves. Waves. We often associate waves with bodies of water, but are there other situations where waves can exist?. Waves. wave. What is a wave?. A wave is a repeating disturbance or movement that transfers energy through matter or space. Waves transfer energy not matter. The water waves below are carrying energy but are not moving. Waves can only exist as they have energy to carry.. Doppler Effect. ~apparent change in frequency of a wave due to the motion of the source of the wave.. If the object is moving towards the observer the frequency will appear to increase. If the object is moving away from the observer the frequency will appear to decrease. How do matter and energy interact when waves are generated?. What are the three main types of mechanical waves?. What are properties of waves?. Essential Questions:. Waves. A disturbance that transfers energy from place to place. Energy. Wave. Amplitude. Conduction. Convection. Radiation. Color spectrum. Wavelength. Potential energy. Kinetic energy. Light energy. Chemical energy. Mechanical energy. What is Energy?. “Energy” is defined as the ability to do work. Wave. Repeating disturbance or movement. Carries energy through matter and space. Vibrations. Anything that moves in a rhythmic patter. Up and down. Back and forth. What is a Wave. All waves are produced when something vibrates. A. . B. . C. DO NOW TUESDAY. Give your own definition of a wave.. Learning Targets. 1.1a Define mechanical wave. . 1.2a Define electromagnetic wave. .. 1.3a Identify an electromagnetic . Mechanical Waves. A mechanical wave is created when a source of energy causes a vibration to travel through a medium.. A mechanical wave is a disturbance in matter that carries energy from one place to another.. difference between mechanical waves and electromagnetic waves. . What is a wave?. A wave is a moving disturbance that transfers energy through matter or space. . Examples of waves. Water waves light waves. mechanical governor injection pump Mechanical (flyweight) governor

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China-Lutong, a Chinese diesel parts producer, was established in 1982 as China-Lutong Machinery Works Company Limited. The firm initially manufactured fuel injection parts for diesel engines. China-Lutong is one of the chief suppliers of diesel fuel system components in China. Periodic Motion. Motion that repeats in a regular cycle is called . periodic motion. . . The revolution of a planet about its sun is an example of periodic motion. The highly reproducible period (T) of a planet is also called its year.. water. waves.... 4/5/2019. Physics 214 Fall 2010. 2. 1S-13 Slinky on Stand. Creating longitudinal compression waves in a slinky. What happens when you pull back and release one end of the slinky . ? . Earthquakes-Tsunamis. Graviational. attraction-Tides. Wind waves move energy, not matter. Wind waves- Growth. Wind strength- must be moving faster than waves. Wind duration-longer creates larger waves.