PHYSICS HIGH SCHOOL

Frequency of a wave is 20 Hz. It travels with a speed of 5 m/sec. What is wavelength?

Answers

Answer 1
Answer:

Answer:

omg i uses to know this answer

Explanation:

but I forgot

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In a parcel of vacant land located in a blighted area where there is no demand for land, which statement is true?

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Answer:

The highest and best use may be to remain vacant.

If the pitch of the sound coming out from a speaker increases, which is true about the sound wave?

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If the pitch of a sound increases, then we know that its frequency
has increased, and its wavelength has decreased.

Answer:

B

Explanation:

Because If the pitch of a sound increases, then we know that its frequency  

has increased, and its wavelength has decreased.

What statement about a wave produced by a doorbell is true?

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a wave produced by a door bell is like a soundwave when something or someone hits it. it makes a sound 

Answer:

propagates in the form of compression and rarefactions

Which of the four regions of the Sun has the lowest temperature?

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It would be the Photosphere, because the farther out you go with the layers, it actually gets hotter, and the DEEPEST and coldest out of the layers is the Photosphere. ;-)
I hope I helped! =D

( Pennfoster plz help ) Which of the following does not accurately describe the forces that exist with an atom? A. Electrons closer to the nucleus and electrons farther from the nucleus repel due to like charges. B. Electrons positioned farther away from the nucleus are less attracted to the nucleus than are electrons positioned closer to the nucleus. C. Electrons positioned closer to the nucleus have a greater attraction to the protons and are more likely to be discharged from the atom than electrons farther away. D. Electrons in an atom are attracted to the protons within the nucleus due to opposite charges.

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I would say C i'm not 100% sure

Choice-C is nonsense.

Electrons positioned closer to the nucleus are closer to the protons in the nucleus and more strongly attracted to them.  Therefore these electrons are LESS likely to be discharged from the atom than electrons farther away from the nucleus are.

One example of a ______________ is the U-turn.

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One example of a turnabout is the U turn
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