How Do You Calculate Transverse Wave Speed from a Wave Function?

In summary, the problem is to calculate the transverse wave speed for a point on a taut string with a given wave function. The question may actually be asking for the speed of a point on the string, which can be determined by removing the x-position from the equation and finding the rate of change of y with respect to t.
  • #1
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I'm trying to calculate transverse wave speed for a point on a taut string when the y displacement is 12.0 cm. The given wave function is 15.0 cm cos(Pi*x-15Pi*t), and that is all I am given. How do you do this?
 
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  • #2
Are you sure you're looking for the wave speed? It seems like the speed of the wave shouldn't depend on position in the string. Maybe you're looking for the speed of a point on the string?
 
  • #3
That could be. The question states "What is the transverse speed for a point on a taut string" with the parameters I stated before.
 
  • #4
Since wave speed doesn't depend on the x-position, you can zero it and remove it from the equation, then you are left with a simple: y= f(t) relationship.

Recalling some calculus and allowing me to rephrase the question should do the trick. What is the rate of change dy/dt when y is 12.
 

Related to How Do You Calculate Transverse Wave Speed from a Wave Function?

1. What is a transverse wave?

A transverse wave is a type of wave that moves perpendicular to the direction of the wave's energy transfer. This means that the particles of the medium through which the wave is moving vibrate up and down or side to side, rather than in the same direction that the wave is traveling.

2. How is the speed of a transverse wave calculated?

The speed of a transverse wave can be calculated by multiplying the wavelength of the wave by its frequency. This is represented by the equation v = λ * f, where v is the speed of the wave, λ is the wavelength, and f is the frequency.

3. What factors affect the speed of a transverse wave?

The speed of a transverse wave is affected by the properties of the medium through which it is traveling. These include the density, elasticity, and temperature of the medium. Additionally, the frequency and wavelength of the wave can also affect its speed.

4. How does the speed of a transverse wave compare to that of a longitudinal wave?

The speed of a transverse wave is typically faster than that of a longitudinal wave. This is because transverse waves travel through the medium by displacing particles perpendicular to the direction of the wave, whereas longitudinal waves compress and expand the particles in the same direction as the wave is traveling.

5. Can the speed of a transverse wave change?

Yes, the speed of a transverse wave can change when it travels through different mediums. This is because the properties of the medium, such as density and elasticity, affect the speed at which the wave can travel. The speed of a transverse wave can also change if the frequency or wavelength of the wave changes.

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