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Ksivusya [100]
3 years ago
6

Sound waves are converted finally into which of these signals in order to be processed by the brain?

Physics
1 answer:
miskamm [114]3 years ago
6 0

Sound waves are longitudinal wave which propagates in form of compression and rarefaction through the medium

As the medium is have compression and rarefaction then we will have few positions in the medium where we have pressure maximum and few points of less pressure.

this pressure difference creates disturbance into our ear drum and this disturbance or this signal is convey to brain as sound.

The transmission of this signal is always in form of electrical signal which are carried by neurons into our brain

<em>So the sound waves are converted finally into electrical signals in order to be processed by the brain.</em>

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Answer:

Explanation:

Given

Each student exert a force of F=400 N

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Total force by 18 students F=18\times 400=7200 N

therefore weight of car W=7200

mass of car m=\frac{W}{g}

m=\frac{7200}{9.8}=734.69 kg

(b)7200 N \approx 1618.624\ Pound-force

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Suppose that you have a 680 Ω, a 720 Ω and a 1.20 kΩ resistor. (a) What is the maximum resistance you can obtain by combining th
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Explanation:

As the given data is as follows.

    R_{1} = 680 \ohm ohm\ohm,    R_{2} = 720 \ohm ohm,

   R_{3} = 1.2 k\ohm = 1200 \ohm   (as 1 k ohm = 1000 m)

(a)   We will calculate the maximum resistance by combining the given resistances as follows.

      Max. Resistance = R_{1} + R_{2} + R_{3}

                                  = (680 + 720 + 1200) \ohm ohm

                                  = 2600 ohm

or,                               = 2.6 k\ohm ohm

Therefore, the maximum resistance you can obtain by combining these is 2.6 k\ohm ohm.

(b)   Now, the minimum resistance is calculated as follows.

      Min. Resistance = \frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}

                                 = \frac{1}{680} + \frac{1}{720} + \frac{1}{1200}

                                 = 3.683 \times 10^{-3} ohm

Hence, we can conclude that minimum resistance you can obtain by combining these is 3.683 \times 10^{-3} ohm.

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