Sound propagating through air 30 oC at passes through a vertical cold front into air that is 4.0 oC. If the sound has a frequency of 2500 Hz, by what percentage does its wavelength change in crossing the boundary?
Answer to relevant QuestionsThe speed of sound in air on a summer day is 350 m/s. What is the air temperature? Calculate the intensity level for (a) The threshold of hearing and (b) The threshold of pain. Two sound sources have intensities of and 10-6 W/m2, respectively. Which source is more intense and by how many times more? In a neighborhood challenge to see who can climb a tree the fastest, you are ready to climb. Your friends have surrounded you in a circle as a cheering section; each individual alone would cause a sound intensity level of 80 ...A bee produces a buzzing sound that is barely audible to a person 3.0 m away. How many bees would have to be buzzing at that distance to produce a sound with an intensity level of 50 dB?
Post your question