When a certain jet engine is running, 11,500 w of power goes into its deafening roar. how far away from this engine can you stand before the sound level you experience crosses the "threshold of pain," 120 db? assume that the engine generates sound equally in all directions.

30.25129 m

Explanation:

I = Sound intensity

= Intensity level = 120 dB

= Threshold of human hearing =

r = Distance

P = Power = 11500 W

Intensity of sound is given by

Intensity is given by

The distance is 30.25129 m

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

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explanation: