## Math Solution of Speed of Sound

The speed of sound is the distance travelled during a unit of time by a sound wave propagating through an elastic medium. In dry air at 20 °C (68 °F), the speed of sound is 343.2 metres per second (1,126 ft/s). This is 1,236 kilometres per hour (768 mph), or about one kilometer in three seconds or approximately one mile in five seconds.

In fluid dynamics, the speed of sound in a fluid medium (gas or liquid) is used as a relative measure of speed itself. The speed of an object (in distance per time) divided by the speed of sound in the fluid is called the Mach number. Objects moving at speeds greater than Mach1 are traveling at supersonic speeds.

### Math Solution of Speed of Sound

**Math Solution of Speed of Sound**

*Math Solution of Speed of Sound*

Math Solution of Speed of Sound

Math Solution of Speed Of Sound

Math Solution of Speed Of Sound

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