The speed of sound in air on a summer day is 350 m/s. What is the air temperature?
Answer to relevant QuestionsCalculate the intensity generated by a 1.0-W point source of sound at a location (a) 3.0 m and (b) 6.0 m from it. Find the intensity levels in decibels for sounds with intensities of (a) 10-2 W/m2, (b) 10-6 W/m2, and (c) 10-15 W/m2. Average speech has an intensity level of about 60 dB. Assuming that 20 people all speak at 60 dB, what is the total sound intensity? A dog’s bark has a sound intensity level of 40 dB. (a) If two of the same dogs were barking, the intensity level is (1) less than 40 dB, (2) between 40 dB and 80 dB, (3) 80 dB. (b) What would be the intensity level? A violinist and a pianist simultaneously sound notes with frequencies of 436 Hz and 440 Hz, respectively. What beat frequency will the musicians hear?
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