Traveling Waves Practice Problems Online

When a plane wave travels in a medium, the displacements of particles are given by $y= 3 \sin{\left(2\pi(5t-0.02x)\right)} ,$ where $x$ and $y$ are in meters, and $t$ is in seconds. Find the wave velocity.

A tuning fork vibrating at $68 \text{ Hz}$ produces a sound wave which travels in air at a speed $340 \text{ m/s}.$ Find the distance traveled by the sound during the time the fork makes $47$ vibrations.

When a plane wave travels in a medium, the displacements of particles are given by $y= 2 \sin{\left(16 \pi t-0.05 \pi x + \frac{\pi}{2}\right)},$ where $x$ and $y$ are in centimeters, and $t$ in seconds. Find the approximate displacement of the particle at the point $x= 2 \text{ cm}$ at $t= 1 \text{ s}.$

The source of a sound vibrates according to the equation

$y= 6 \cos{(6 \pi t)}.$

If it sends out waves of velocity $v= 21 \text{ m/s},$ what is the wavelength $\lambda$ of the waves?

When a plane wave travels in a medium, the displacements of particles are given by $y= 2 \sin{\left(10t-0.02 \pi x + \frac{\pi}{12}\right)},$ where $x$ and $y$ are in meters, and $t$ in seconds. Find the distance traveled by the wave during the time the wave makes $12$ vibrations.

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