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natta225 [31]
3 years ago
10

Visit this website and locate the element chlorine, whose

Physics
1 answer:
sertanlavr [38]3 years ago
7 0

Answer:

Chlorine is a respiratory irritant. The gas irritates the mucus membranes and the liquid burns the skin. As little as 3.5 ppm can be detected as an odor, and 1000 ppm is likely to be fatal after a few deep breaths. In fact, chlorine was used as a war gas in 1915.

Explanation:

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Ocean waves of wavelength 26 m are moving directly toward a concrete barrier wall at 4.0 m/s . The waves reflect from the wall,
Genrish500 [490]

Answer:

a) the distance between her and the wall is 13 m

b) the period of her up-and-down motion is 6.5 s

Explanation:

Given the data in the question;

wavelength λ = 26 m

velocity v = 4.0 m/s

a) How far from the wall is she?

Now, The first antinode is formed at a distance λ/2 from the wall, since the separation distance between the person and wall is;

x = λ/2

we substitute

x = 26 m / 2

x = 13 m

Therefore, the distance between her and the wall is 13 m

b) What is the period of her up-and-down motion?

we know that the relationship between frequency, wavelength and wave speed is;

v = fλ

hence, f = v/λ

we also know that frequency is expressed as the reciprocal of the time period;

f = 1/T

Hence

1/T = v/λ

solve for T

Tv = λ

T = λ/v

we substitute

T = 26 m / 4 m/s

T = 6.5 s

Therefore, the period of her up-and-down motion is 6.5 s

 

6 0
3 years ago
The rainbow is a result of a. Diffraction of the light.
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Rainbows are caused by the dispersion of light, which itself consists of a combination of refraction and reflection of light around little droplets of water.

Choice C

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3 years ago
What is the correct definition of refraction?
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i believe it's C but i'm not completely sure

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What is the lens equation?
Strike441 [17]
The lens equation gives d relation between focal length, object distance n image distance.

1/f = 1/v + 1/u

seldon
7 0
3 years ago
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If the same experiment is repeated in different parts of the world by different scientists,
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The answer is D) The outcome of the experiment will be non observable
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