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# Wave Speed

## Discusses how wave speed is calculated and the effect of different materials on wave speed.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Speed of Mechanical Waves - Overview

by CK-12 //basic
Overview
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## Speed of Mechanical Waves - Example 2

by CK-12 //basic
Recognizing that mechanical waves generally travel the fastest in solids, then liquids, then gases
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## Speed of Mechanical Waves - Example 3

by CK-12 //basic
Recognizing that the speed of mechanical waves depends on the temperature of the medium
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## Speed of Mechanical Waves - Example 4

by CK-12 //basic
Identifying examples and characteristics of refraction in terms of changes in speed, frequency, and wavelength
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## Speed of Mechanical Waves - Example 5

by CK-12 //basic
Determining the wave speed on a stretched string using the equation v = √ (F[t]/μ) where μ = m/L
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• Video

## Speed of Mechanical Waves - Example 1

by CK-12 //basic
Recognizing that the speed of mechanical waves depends on the medium
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