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Anna007 [38]
3 years ago
5

i got the right answer for this question (pretty sure i guessed or just asked me teacher the answer?) but can someone explain ho

w i got that answer (like the process of figuring it out) thanks :)

Physics
2 answers:
loris [4]3 years ago
6 0
A guessing answer the best answer but you have had to subtract the answer by the equation that it was giving u
artcher [175]3 years ago
6 0

How you got the answer:

-- Either you guessed, or else you asked somebody else and they gave you the answer.  It really doesn't matter.  As you can see, whichever it was, you didn't learn anything in the process.

The helpful and correct way to solve the problem:

-- For any wave, <em>Speed = (frequency) x (wavelength)</em>

Whenever you're dealing with waves, and you know any two of those three quantities, you can always use this formula to calculate the quantity you don't know.

This problem GIVES you the speed and the wavelength.  USE this formula to calculate the frequency.

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Sphinxa [80]
<h2>Answer: Resonance </h2>

Resonance is a phenomenon that occurs when a body capable of vibrating is subjected to the action of a periodic force, whose frequency of vibration approaches the characteristic frequency of vibration (called resonance frequence) of said body. This is due a relatively small force applied in a repeated form, causing the amplitude of the oscillating system to become very large.

In other words, for the specific case of sound waves, this phenomenon occurs when the frequency of the  wave that is external to the system or body coincides with the resonance frequency (characteristic frequency that reaches the maximum degree of oscillation) of this system or body.

In these circumstances the body vibrates, progressively increasing the amplitude of movement after each successive actions of the force. However, this effect can be destructive in some rigid materials.

4 0
3 years ago
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harkovskaia [24]

Answer:

0,54 sec

Explanation:

t=s/v

t=7/13 s=0,54sec

5 0
4 years ago
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mylen [45]
<h2>Answer: A</h2>

Explanation because the distance covered is equal time intervals is the same or equal.

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This process is  D) vaporization. Hope this helps! :)

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