A wave propagating along a string is described by $y(x,t) = 0.005\sin(80.0x - 3.0t)$, where $x$ and $y$ are in meters and $t$ is in seconds. If the linear mass density of the string is $0.004\ kg/m$, what is the average power transmitted by the wave?

The equation of a transverse wave on a string is $y = A\sin(\omega t - kx)$. The maximum transverse speed of a particle on the string is related to the wave speed $v$ by:

Two waves on a string are described by $y_1(x,t) = A\cos(kx - \omega t)$ and $y_2(x,t) = A\cos(kx + \omega t + \phi)$. For what value of $\phi$ will the resultant wave have an amplitude of $A$?

Which of these is an INCORRECT statement about electromagnetic waves in free space?

A wave has a frequency of 50 Hz and a wavelength of 2 m. What is its speed?

A wave propagating along a string is described by $y(x,t) = 0.005\sin(80.0x - 3.0t)$, where $x$ and $y$ are in meters and $t$ is in seconds. If the linear mass density of the string is $0.004\ kg/m$, what is the average power transmitted by the wave?

The equation of a progressive wave is given by $y = A \sin(\omega t - kx)$. What does $k$ represent?

A wave has an angular frequency of 100 rad/s and a wave number of 0.2 rad/m. What is its wavelength?

A wave traveling in a medium undergoes a change in its speed. Which of the following quantities associated with the wave necessarily remain constant?

If an electromagnetic wave is traveling in free space, which of the following properties does it NOT possess?

Electromagnetic waves traveling in free space exhibit all of the following properties EXCEPT: