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RUDIKE [14]
3 years ago
12

How fast is sound when traveling through water?

Physics
1 answer:
IgorLugansk [536]3 years ago
4 0

Sound travels 1,480 meters per second, which is about 4.3 times as fast as air. Sound travels much slowly in air. This has to do with the frequency, intensity and amplitude of waves, which are affected differently in water and air.

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The rubber and plastic used in protective clothing do not allow the flow of electric charge
erica [24]

Answer:

True

Explanation:

Insulators are the material that does not allow electricity to pass easily through them. The reason behind using an insulator as a protective layer on an electrical wire or appliances is that they show good resistance to electricity. That prevents us from getting an electrical shock. And rubber and plastics are good examples of the insulator.

Hence our statement is true.

6 0
3 years ago
2. A Formula One race car speeds up from rest to 27.8 m/s in a distance of 25 meters.
Nadya [2.5K]

Answer:

Correct answer:   a = 15.46 m/s²

Explanation:

The formula for accelerated movement with the given data is:

V² - V₀² = 2 · a · d     where the initial velocity  V₀ and the final V  

Since the initial velocity V₀ is zero, the formula is:

V² = 2 · a · d  => a = V² / (2 · d) = 27.8² / (2 · 25) = 772.84 / 50 = 15.46 m/s²

a = 15.46 m/s²

God is with you!!!

4 0
3 years ago
A 150-newton force, applied to a wooden crate at an angle of 30° above the horizontal, causes the crate to travel at constant ve
koban [17]

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

tinyurl.com/wtjfavyw

4 0
3 years ago
Which research method uses questionnaires to collect information about the participants in a study?
Dima020 [189]
Survey research method uses questionnaires to collect information about the participants in a study.It is commonly used method of collecting information about a population of interest.
3 0
3 years ago
Read 2 more answers
I mostly know how to do these vector problems i’m just confused on how many decimal places i use
Degger [83]
I believe you use 4? I’m really unsure about that but I like your Joy Division picture
5 0
4 years ago
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