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kiruha [24]
3 years ago
11

Amber asked her roommate to turn down the radio because she was trying to study. Her roommate had increased the volume from a vo

lume level of 14 to 15. This was just enough for Amber to detect the increase and subsequent decrease. Amber's detection of the increase and decrease of volume is an example of ________
Physics
1 answer:
Blizzard [7]3 years ago
7 0

Answer:

Difference threshold or also Just Noticeable Difference

Explanation:

The above mentioned case between room mates, where one room mate was able to detect a minute change in volume shows an instance of the difference threshold.

Difference threshold can be defined as stimulation at its minimum level that can be detected by an individual almost 50 % of the times.

It is the lowest possible level of sound that is detectable by a person.

That is what happened in the mentioned case that when the volume was increased from 14 to 15, Amber was able to detect it.

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Answer:

Paramedic

Explanation:

They will be on the move the whole time

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3 years ago
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suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity. If the distance be
ehidna [41]
Use the Inverse square law, Intensity (I)<span> of a light </span>is inversely proportional to the square of the distance(d).

I=1/(d*d)

Let Intensity for lamp 1 is L1 distance be D1 so on, L2 D2 for Intensity for lamp 2 and its distance.

L1/L2=(D2*D2)/(D1*D1)

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3 0
3 years ago
I just need the answer
Archy [21]

Answer:

I'll try to help which grade are you?

7 0
3 years ago
The compound ethylene (C2H4) is represented by this diagram. What statement best describes the arrangement of the atoms in an et
Effectus [21]

<u>Answer:</u> The correct answer is two electrons are shared between each hydrogen atom and the carbon atom bonded to it, and four electrons are shared between the carbon atoms.

<u>Explanation:</u>

Ethylene is a compound given by the chemical formula H_2C=CH_2.

The bond present between hydrogen and carbon atoms or carbon and carbon atoms are covalent bonds. A covalent bond is formed by the sharing of electrons between the atoms combining.

A double bond is present between carbon and carbon atoms. So 2 pairs of electrons are shared which means in total of 4 electrons are shared.

Bond present between hydrogen and carbon atoms are single bonds. So, a pair of electrons is shared which means that in total of 2 electrons are shared.

Hence, the correct answer is two electrons are shared between each hydrogen atom and the carbon atom bonded to it, and four electrons are shared between the carbon atoms.

6 0
3 years ago
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An Object is moving due south at 16 m/s, when a force accelerates it at 4m/s in a southerly direction. How long will it take for
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Answer:

Time taken to accelerate to 48 m/s =  8 seconds

Explanation:

Initially the object is moving south at = 16 m/s

So, initial velocity of the object = 16 m/s

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Final velocity towards south = 48 m/s

Using equation of motions:

v_f=v_i+at

where

v_f\rightarrow final velocity

v_i\rightarrow initial velocity

a\rightarrow acceleration

t\rightarrow time

Plugging in values.

48=16+(4)t

48=16+4t

Subtracting both sides by 16

48-16=16+4t-16

32=4t

Dividing both side by 4.

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8=t

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Time taken to accelerate to 48 m/s =  8 seconds

6 0
3 years ago
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