22 мар. 2020 г. · At 1 kilometer away, typical outdoor ambient noise levels may range from approximately 40 to 70 decibels (dB), depending on factors such as traffic, urban ...

2 июн. 2019 г. · In an open outdoor environment, a 100-decibel noise can be audible from several hundred meters away.

20 июн. 2019 г. · A precise source would not list a jet engine at “140db,” they would list it as “140 dB at 100ft.” In other words, a complete description of the ...

28 мая 2021 г. · The distance from which a 100-decibel noise can be heard depends on various factors such as the environment, terrain, and surrounding obstacles.

1 дек. 2022 г. · A certain jet aircraft produces a sound of 140 dB intensity at a distance of 100 ft. How many miles away is the intensity 90 dB? How can I solve this?

22 мая 2021 г. · In an open outdoor environment, a 100-decibel noise can be audible from several hundred meters away.

29 июл. 2023 г. · How far can you hear 60 decibels? It depends on how far you are away ... A thunder may take noise level above 140 dB, which cannot be tolerated ...

1 сент. 2018 г. · There's no absolute standard distance, but there are several reasons for this: 1.) Many sounds are measured as “ambient level”, where the sound is assumed to ...

31 июл. 2017 г. · It tells us that 130 dB at 100 km makes 30 dB. But it does not take into account the dampening of earth, grass and air.

8 нояб. 2016 г. · Decibels don't travel anywhere. Decibel is a dimensionless measurement of some value in relationship to some reference value. For sound, dB SPL ...