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Sergio039 [100]
3 years ago
15

. What is the relationship between frequency, wavelength and speed of a wave?

Computers and Technology
1 answer:
jeka943 years ago
5 0

Answer:

vw = fλ

Explanation:

Sound, like all waves, travels at a certain speed and has the properties of frequency and wavelength. You can observe direct evidence of the speed of sound while watching a fireworks display. The flash of an explosion is seen well before its sound is heard, implying both that sound travels at a finite speed and that it is much slower than light. You can also directly sense the frequency of a sound. Perception of frequency is called pitch. The wavelength of sound is not directly sensed, but indirect evidence is found in the correlation of the size of musical instruments with their pitch. Small instruments, such as a piccolo, typically make high-pitch sounds, while large instruments, such as a tuba, typically make low-pitch sounds. High pitch means small wavelength, and the size of a musical instrument is directly related to the wavelengths of sound it produces. So a small instrument creates short-wavelength sounds. Similar arguments hold that a large instrument creates long-wavelength sounds.

The relationship of the speed of sound, its frequency, and wavelength is the same as for all waves: vw = fλ, where vw is the speed of sound, f is its frequency, and λ is its wavelength. The wavelength of a sound is the distance between adjacent identical parts of a wave—for example, between adjacent compressions as illustrated in Figure 2. The frequency is the same as that of the source and is the number of waves that pass a point per unit time.

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Yakvenalex [24]

Answer: E. Use a RESTful architecture for both, send the ID through a POST, and ping the service with a GET until a response is available.

Explanation:

Since there are two microservices that need to communicate with each other without holding up a thread on either end, the communication framework should be used is a RESTful architecture for both, send the ID through a POST, and ping the service with a GET until a response is available.

REST is a software architectural style which is used in defining the set of rules that be used for the creation of web services. The REST architecture allows requesting systems to be able to access and manipulate web resources.

8 0
2 years ago
1. Write a class for time objects that store three integer values for hour, minute, and second. Also, write a program to test th
Alla [95]

Answer:

1.

class TIME

{

int hour , min , sec ;

public :

TIME()

{

hour=min=sec=0;

}

TIME( int h , int m , int s )

{

hour = h;

min = m;

sec = s;

}

void change ( int Hour)

{

hour = Hour;

}

void stdtime()

{

if(hour>12)

cout<<"The Standard time is"<<(hour-12)<<":"<<min<<":"<<sec<<"P.M\n";

else

cout<<"The Standard time is"<<hour<<":"<<min<<":"<<sec<<"A.M\n";

}

void miltime()

{

cout<<"The Military time is"<<hour<<":"<<min<<":"<<sec<<" hours\n";

}

};

void main()

{

TIME A , B(13,25,30);

A .stdtime();

A.change(23);

A.miltime();

B.stdtime();

B.change(9);

B.miltime();

}

2.

class elevator

{

int CurrentFloor;

int GoingUp;

int GoingDown;

public:

elevator()

{

CurrentFloor=0;

GoingUp=1;

GoingDown=-1;

}

elevator(int floor)

{

CurrentFloor=floor;

GoingUp=1;

GoingDown=-1;

}

void goUp(int y)

{

if( CurrentFloor>3)

cout<<"\nNO MORE FLOORS\n";

else

CurrentFloor=CurrentFloor+y*GoingUp;

}

void goDown(int x)

{

if(CurrentFloor<0)

cout<<"\nNO MORE FLOORS";

else

CurrentFloor=CurrentFloor+x*GoingDown;

}

};

void main()

{

elevator A(1);

A.goUp(1);

A.goUp(1);

A.goUp(1);

A.goDown(1);

A.goDown(1);

}

6 0
2 years ago
What type of game is LEAST LIKELY to need a structured narrative?
VladimirAG [237]

Answer:

Probably a sports game

Explanation:

A role-playing means acting it out, so you need to explain the life with a structured narrative.

An adventure game needs lots of background, so you need to fill that in with a structured narrative.

A sports game revolves solely around sports, so you only need to know how to play the game and/or sport, so no structured narrative is needed.

An fps game needs a structured narrative in that it is similar to an adventure game and needs background.

Let me know if I was right! Hope this helped. :)

5 0
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zmey [24]

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