How many decibels is too loud?

Sound is measured in decibels (dB). A whisper is about 30 dB, normal conversation is about 60 dB, and a motorcycle engine running is about 95 dB. Noise above 70 dB over a prolonged period of time may start to damage your hearing. Loud noise above 120 dB can cause immediate harm to your ears.

What animal is the loudest?

The blue whale is the loudest mammal of them all, with vocalizations that reach 188 decibels. Blue whales don’t have songs as complex as those of humpback whales, but their low-frequency “pulses”—some below the range of human hearing—have been recorded more than 500 miles (805 kilometers) away.

How long can an F 16 fly without refueling?

In an air-to-surface role, the F-16 can fly more than 500 miles (860 kilometers), deliver its weapons with superior accuracy, defend itself against enemy aircraft, and return to its starting point. An all-weather capability allows it to accurately deliver ordnance during non-visual bombing conditions.

What frequency can kill you?

The most dangerous frequency is at the median alpha-rhythm frequencies of the brain: 7 hz. This is also the resonant frequency of the body’s organs.

Why are afterburners so loud?

But what are these aircraft and why are they so loud? The noise from a jet comes from two sources – the engine itself and the reaction the exhaust has with the surrounding air. A jet engine works by taking in air through the intake and compressing it as much as 12 times its original pressure.

What animal is quiet strong?

This is an introduction to the introverted (I) members of the animal kingdom: the owl, sloth, deer, octopus, wolf, beaver, meerkat, and house cat. Unlike extraverted (E) animals, the introverts are generally quiet and often shy.

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