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myrzilka [38]
3 years ago
15

You are driving in a car for 30 minutes, with the windows down and the radio at a high volume. You turn the car off and leave th

e car for period of time. When you return to the car and turn it on, the radio comes on at the same high volume. It hurts your ears this time. You failed to realize how loudly you were listening to the radio. This shows the principle of: ________
Physics
1 answer:
matrenka [14]3 years ago
6 0

Answer:

sensory adaption

Explanation:

Sensory adaption is the phenomenon where the intensity of a stimulus experienced by an organism decreases after a certain amount of exposure to the stimulus. This happens in order for us to pay attention to other stimulus.

When you are driving with the windows down and listening to music you are subjected to a lot of stimuli. Here, most of our attention needs to be on driving. So, our brain drowns all the other unneccessary stimuli like the music.

When you enter the car again where the other stimuli which were present while driving are absent, all your attention is diverted to the music. So, your're ears hurt.

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3 0
3 years ago
A guitar string has a mass per length of 2.33×10−3kg/m and a fundamental frequency of 146.8 Hz when it is under a tension of 82.
jenyasd209 [6]

Answer:

240.59 N

Explanation:

We are given that

Mass per unit length=m/l=\mu=2.33\times 10^{-3} kg/m

Fundamental frequency,f=146.8 Hz

Tension=T=82.4 N

Mass per unit length=\mu'=6.8\times 10^{-3} kg/m

We have to find the tension.

Velocity,v=\sqrt{\frac{T}{\mu}}=\sqrt{\frac{82.4}{2.33\times 10^{-3}}}=188.1m/s

New tension,T'=v^2\mu'=(188.1)^2\times 6.8\times 10^{-3}

T'=240.59 N

Hence, the string  should have tension 240.59 N  so that its fundamental frequency is 146.8 Hz

4 0
3 years ago
Read 2 more answers
Because the sensitivity of the human ear varies over the audio spectrum, how do many sound systems handle very high frequencies
antoniya [11.8K]

Answer:

Option 2.

Amplify; Amplify

Explanation:

Amplification of sound simply means increasing the loudness of the sound by modifying its electro-acoustic signals. To make very high and very low frequencies of sound audible by the human ear,  the sounds need to be amplified by the sound system amplifier.

Sound systems modify high frequencies by amplifying them, and also, they also modify low frequencies by amplifying them. This changes their wave form and brings them into the hearing range of humans.

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He answer is A hope this helps
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