# Calculating Wavelength of Longitudinal Wave in Water from Steel

• MasterPnut
In summary, the wave speed of a longitudinal wave in steel is 5941 m/s and in water is 1482 m/s. Using the formula v=\lambda \cdot f, we can find the wavelength of the wave in water when a bar of steel is struck with a hammer and a wave with wavelength 10.24 m travels through the steel into water. The frequency remains the same, so we can solve for the wavelength in water by setting the wave speeds in steel and water equal to each other and solving for \lambda.
MasterPnut
1. The wave speed of a longitudinal wave in steel is 5941 m/s. The Speed of a longitudinal wave in water is 1482 m/s. If a bar of steel is struck with a hammer and a wave with wavelength 10.24 m travels through the steel into water, what will be the wavelength of the wave in water?

## Homework Equations

I just really don't know how to go through a problem like this. If someone could help me piece it together step-by-step, I would greatly appreciate it.

Try using this formula $: v=\lambda \cdot f$
Where $v$ is the speed of the wave, $\lambda$ is the wave length and $f$ is the frequency.

Hint: The frequency is always the same in this case.

## 1. What is the equation for calculating the wavelength of a longitudinal wave in water from steel?

The equation for calculating the wavelength of a longitudinal wave in water from steel is: λ = v/f, where λ is the wavelength, v is the speed of the wave in the medium (water or steel), and f is the frequency of the wave.

## 2. How do you determine the speed of a longitudinal wave in water and steel?

The speed of a longitudinal wave in water and steel can be determined by using the formula: v = √(E/ρ), where v is the speed of the wave, E is the elastic modulus of the material, and ρ is the density of the material.

## 3. Can the wavelength of a longitudinal wave in water from steel change?

Yes, the wavelength of a longitudinal wave in water from steel can change depending on the frequency and speed of the wave, as well as the properties of the materials.

## 4. How does the wavelength of a longitudinal wave in water from steel compare to other types of waves?

The wavelength of a longitudinal wave in water from steel is typically longer than other types of waves, such as transverse waves, due to the nature of longitudinal waves to travel through the medium in a back-and-forth motion rather than a side-to-side motion.

## 5. Why is it important to calculate the wavelength of a longitudinal wave in water from steel?

Calculating the wavelength of a longitudinal wave in water from steel can help in understanding the behavior and properties of the wave, as well as predicting its movement and interaction with the medium. It is also essential in various scientific and engineering applications, such as in the design of structures and materials to withstand longitudinal waves.

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