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GaryK [48]
2 years ago
11

What is sunlight composed of

Physics
2 answers:
liraira [26]2 years ago
7 0
Sunlight is composed of a spectrum of rays which are visible light and ultraviolet.
san4es73 [151]2 years ago
5 0

Answer:

Roughly three quarters of the Sun's mass consists of hydrogen (~73%); the rest is mostly helium (~25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron. The Sun is a G-type main-sequence star (G2V) based on its spectral class.

Explanation:

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A GIAC credential holder may submit a technical paper that covers an important area of information security. If the paper is acc
const2013 [10]

Answer:

The statement is True

Explanation:

3 0
3 years ago
Describe this picture in 5 words ​
PilotLPTM [1.2K]

Answer:

heathy, people, apple, motivational, together  

Explanation:

7 0
2 years ago
Read 2 more answers
How do dominant alleles and recessive alleles differ?
Stells [14]

Answer:

A dominant allele produces a dominant trait in individuals who have one copy of the allele, that can come from one parent. To produces a recessive trait, the child must have two copies of the recessive allele, one from each parent.

Explanation:

The terms dominant and recessive describe the patterns of certain traits. They describe how likely it is for certain traits to pass from parent offspring in humans and animals. The two copies of each gene (alleles), can be slightly different from each other. The differences can cause variations in the protein that’s produced, Proteins affect traits, so variations in protein activity or expression can create different phenotypes.

A dominant allele produces a dominant phenotype (trait) in individuals who have one copy of the allele, which can come from one parent. For a recessive allele to produce a recessive phenotype, the individual must have two copies, one from each parent. A person with one dominant and one recessive allele for a gene will have a dominant phenotype. They are generally considered carriers of the recessive allele- the recessive allele is there, but the recessive phenotype is not.

8 0
3 years ago
The plates of a parallel-plate capacitor are 700 cm2 in area and 0.3 cm apart. The potential difference between the plates is 93
Kisachek [45]

Answer: a) E = 311,666.7 V/m, b) q = 1.54×10^-10c, c) F = 4.799×10^-5 N, d) 0.0629 J

Explanation:

Area = 700cm² = (700/100)² = 7² = 49m²

Distance between plates (d) = 0.3cm = 0.3/100 = 0.003 m

V = potential difference = 935v

A)

Recall that for a capacitor that V = Ed

Where E = strength of electric field.

935 = E× 0.003

E = 935/ 0.003

E = 311,666.7 V/m

B)

C =qV

Where q = magnitude of charge on capacitor.

We need to get the value for C before we can get for q.

C =ε0×A/d

Where ε0 =permittivity of free space = 8.85×10^-12

Hence we have that

C = 8.85×10^-12 × 49/ 0.003

C = 4.32×10^-10/0.003

C = 1.44×10^-7 F

But C=qV

1.44×10^-7 = q (935)

q = 1.54×10^-10c

C)

F=Eq

Where E = strength of electric field = 311,666.7 V/m, q = 1.54×10^-10c

F = 311,666.7 × 1.54×10^-10

F = 4.799×10^-5 N

D)

Total energy stored = cv²/2

Total energy = 1.44×10^-7 × 935²/2

Total energy = 0.0629 J

4 0
2 years ago
A plane electromagnetic wave, with wavelength 2.8 m, travels in vacuum in the positive direction of an x axis. the electric fiel
Arte-miy333 [17]
Ok first you gotta know what they are actually even asking you.

Frequency = <em>wavelengths per second
</em>Angular Frequency = <em>radians per second
</em>Wave Number = <em>wavelengths per meter
</em>Angular Wave Number = <em>radians per meter</em>
<em /><em />
Frequency is Easy, just divide the speed of light by the wavelength. This is your answer for A.

Angular frequency is how many radians per second the ELECTRIC FIELD moves through over one second. We know that there are 2π radians in one wavelength.

So to get the angular frequency just multiply the regular frequency by 2π (6.28) to get the frequency in terms of radians per second (<em>instead of waves per second</em><em />). This is your answer for B.

The wave number of a photon is how many waves <em>per meter</em> the photon moves through rather than waves <em>per second</em><em>, </em>similar but different to the 'frequency' calculations above.

Simply find the waves per meter (1 meter divided by the <em>wavelength</em>) and multiply by 2π to get the <em>radians per meter</em><em />. this is your answer for C.

NOTE: make sure your units are all correct, wavelength in meters, frequency in Hz etc...


3 0
3 years ago
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