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alexandr402 [8]
3 years ago
8

Explain how sound waves are processed in the ear and then relayed to and processed in the brain.

Advanced Placement (AP)
2 answers:
Vikentia [17]3 years ago
7 0
The process of hearing starts by pressure/sound waves that are captured by our ears and taken inside the ear by the ear canal reaching firstly the eardrum. The eardrum then vibrates according to the pressure waves that were captured making the acicular (a set of 3 little bones) enter into motion. These vibrations then move from the acicular to the inner ear. Within the inner ear, we can find the cochlea which is where these mechanical waves are converted into electrical signals and then passed to the brain. The auditory cortex of the brain then interprets this signals as sounds and gives them meaning.
OlgaM077 [116]3 years ago
3 0

Answer:

Sound waves are detected by the pinna and channeled down the external auditory canal to the eardrum. A chain of bones called the ossicles (made of the malleus, the incus, and the stapes) amplify the vibrations from the eardrum and transmit them to the cochlea, which is a spiral, fluid-filled tube that contains auditory receptors called hair cells. The hair cells transduce the sound vibrations, and the auditory nerve carries these neural signals to the thalamus for initial processing. Then the neural signals are relayed to the auditory cortex, which is located in the temporal lobe. In the auditory cortex, adjacent neurons, or neurons that are closer together, tend to respond to certain frequencies. Other neurons combine the information from these specialist cells to help one recognize and distinguish sounds.

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No, the 270 cm rope Clint has is not enough to do the job.

Explanation:

The height of tree where rope has to be tied = 180 cm

The distance of the stake from the base of the tree = 200 cm

We can say that the arrangement makes a right angle triangle, with the right angle situated at the base of the tree. The figure is attached below. Consult it for better understanding.

Length of the rope can be found by using Pythagoras theorem.

(Length of rope)² = 180² + 200²

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As it is stated the additional 30cm of rope is required for tying from both ends. Total length of rope required is:

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Total length of rope = 299 cm

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