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Zielflug [23.3K]
3 years ago
11

Which of these help the light from the Sun to reach Earth through the vacuum of space?

Physics
1 answer:
saul85 [17]3 years ago
4 0

Answer: Electromagnetic radiation

Explanation:

Light travels from Sun to reach Earth through the vacuum using electromagnetic waves. Electromagnetic waves are transverse waves which can travel in vacuum. The electric field and magnetic field are perpendicular to each other and the waves move in the direction perpendicular to both the fields. The wave carries energy in the form of heat and light.

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Find the frequency of a wave of wavelength 2.5m and speed 400 m/s
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Answer:

The frequency of wave is 160Hz.

Explanation:

Given that the formula of speed is V = f×λ where V represents speed, f is frequency and λ is wavelength.

So first thing, you have to make frequency the subject by dividing wavelength on both sides :

v = f \times λ \:

v \div  λ =  f \times λ \div λ

f =  \frac{v}{λ}

Next you have to substitute the value of v and f into the formula :

Let λ = 2.5m,

Let v = 400m/s,

f =  \frac{400}{2.5}

f = 160Hz

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azamat
No. the answer to the question if can an argon atom undergo vibrational motion is no. it can not even spin either. the argon atom, or the argon is a chemical element that is the third most abundant gas in the earth's atmosphere. it is ore than twice as abundance as water vapor. Thank you for this question.
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2 years ago
Why is there an upward force on objects in water?
Paraphin [41]
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nika2105 [10]

Answer:

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Explanation:

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when asked about weight, it would be 1000N. but in mass , same 600kg.

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