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Waves Chapter 11

Waves. A repeating movement that transfers energy through matter or space.. Energy vs. Matter. Waves carry energy without transporting matter from place to place. Waves. Medium: matter that a wave travels through.Mechanical Waves: Waves that can travel only through matter. Types of Mechanical waves:.

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Waves Chapter 11

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    1. Waves Chapter 11

    2. Waves A repeating movement that transfers energy through matter or space.

    3. Energy vs. Matter Waves carry energy without transporting matter from place to place

    4. Waves Medium: matter that a wave travels through. Mechanical Waves: Waves that can travel only through matter

    5. Types of Mechanical waves: Transverse Matter moves perpendicular to the medium. Compressional Matter moves parallel to the medium.

    6. Wave Parts (transverse) Crest: top of each wave Trough: bottom of each wave Rest position: center of each wave Amplitude: crest to rest -or- trough to rest. Wavelength (?): Crest to crest -or- trough to trough.

    7. Transverse Wave

    8. Wave parts(compressional) Rarefaction: less dense area (spread out part) Compression: More dense area (squeezed together part) Wavelength (?): One compression and one rarefaction Amplitude: amount of compression

    9. Compressional Wave

    10. Wave frequency Defined as the number of full waves that pass by a given point in 1 second. A frequency of 1 Hz means that 1 wave passes by in 1 second.

    11. Wave speed/velocity Waves travel at different speed due to the type of medium they are passing through. Formula: v= ? • ƒ Units: m/s=m • Hz

    12. Amplitude Related to the amount of energy carried by a wave Higher Amplitude = Higher Energy

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