Question

A very noisy trombone that Sarah keeps playing with noise of 98.5 dB sound level is hear from 4.7 m away

1. What’s the sound intensity of Sarah’s trumpet blast at 4.7 m distance

2. What will sounds trumpet intensity be heard 4.7 m away if six trumpets are playing just as loud

3. Sound intensity level level 4.7 m away with the six trumpets playing the same loudness

4. What will sounds trumpet intensity be heard 29 m away if six trumpets are playing just as loud

5. Sound intensity level level 26  m away with the six trumpets playing the same loudness

Answer 1

Use the equation for sound level and relation between intensity and distance from the source to find the required solutions as shown below