8.2 Problems
349
Fig. 8.1
Fig. 8.2
8.29 For the wave shown in Fig. 8.3 find its frequency and wavelength if its speed
is 24 m/s. Write the equation for this wave as it travels along the +x-axis if its
position at t = 0 is as shown in Fig. 8.3.
Fig. 8.3
8.30 In prob. (8.29) if the linear density of the string is 0.25 g/m, how much energy
is sent down the string per second?
349
Fig. 8.1
Fig. 8.2
8.29 For the wave shown in Fig. 8.3 find its frequency and wavelength if its speed
is 24 m/s. Write the equation for this wave as it travels along the +x-axis if its
position at t = 0 is as shown in Fig. 8.3.
Fig. 8.3
8.30 In prob. (8.29) if the linear density of the string is 0.25 g/m, how much energy
is sent down the string per second?