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`v = sqrt( T / mu )`

Enter a value for all fields

The **Velocity of a Pulse **calculator computes the velocity of a pulse on a string based on the string tension and mass per unit length.

**INSTRUCTIONS**: Choose units and enter the following:

- (T) Tension
- (μ) Mass per centimeter

**Velocity of Pulse (V): **The calculator returns the velocity in centimeters per second. However, this can be automatically converted to compatible units via the pull-down menu.

For mechanical waves in general:

- The speed at which a wave moves does not depend on the size or shape of the wave.
- The speed of a mechanical wave depends on a combination of two properties of the medium: some measure of its
*inertia*and some measure of its*tightness*, i.e., the strength of the force trying to bring the medium back toward equilibrium.

The formula for the velocity of a pulse is:

`v=sqrt(T/μ)`,

where:

- T = tension
- μ = mass per unit length (grams per centimeter in this calculator)
- v = velocity of pulses