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Sound 作者: Mind Map: Sound

1. Loudness

1.1. Depends on

1.1.1. Amplitude

2. pitch

2.1. Depends on

2.1.1. Frequency

3. Format For calculating the speed of sound

3.1. Speed of sound =Distance/Time Taken

3.2. V=2d/t

4. Medium / Speed m/s

4.1. Air,346

4.2. Hydrogen,1300

4.3. Water,1500

4.4. Flint Glass,4540

4.5. Iron (steel),5200

4.6. Granite,5400

5. Vibration

5.1. Ultrasound

5.2. Audible Frequency

5.2.1. 20 Hz to 20kHz

5.2.1.1. Echoes

6. Longitudinal Waves

6.1. Through

6.1.1. Compression And Rarefaction

6.2. Requires

6.2.1. Medium

6.2.1.1. Determination Of Speed Of Sound and in Air