Saved Bookmarks
| 1. |
Waves questions help plsss 1. An open pipe is 74 cm long. If the frequency of the first harmonic of the open tube is the same as the frequency of the first harmonic of a closed tube, how long is the closed tube? 2. Consecutive harmonics in a closed tube are 220 Hz and 660 Hz. If the speed of sound is 350ms^-1, how long is the tube? |
|
Answer» This CALCULATION is SHOWN below.SPEED = frequency • wavelength. frequency = speed / wavelength. frequency = (340 m/s) / (1.35 m) frequency = 252 HZ.speed = frequency • wavelength. wavelength = speed / frequency. wavelength = (340 m/s) / (480 Hz) ... Length = (1/2) • Wavelength. Length = (1/2) • Wavelength. Length = 0.354 m. |
|