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Aircraft use 400 Hz for their power supplies because it allows them to use smaller and lighter components.

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16y ago

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If a note had a frequency of 400 Hz. State how many sound waves pass a point per second?

If a note has a frequency of 400 Hz, it means that 400 sound waves pass a point per second. This is because the frequency of a sound wave is the number of complete cycles of a wave that pass a point in a given time period, usually one second. Therefore, in this case, 400 complete cycles or sound waves pass a point in one second.


If a note is 400hz. how many sound waves pass point per second?

400. Hz (hertz) means cycles per second.


Is 400 a significant number?

400 is a significant number because it is a square number as 20*20 = 400


What is the '400'?

400 is a number


What is the equivalent number of 400?

400


What are two prime numbers that equal 400?

There is only one number that equals 400. The number is 400, and it's not a prime number.


What is the least number that can be rounded off to 400?

The least number that can be rounded to 400 (to the nearest 400) is 200.


Is 400 an irrational number?

No because 400 is a rational number that can be expressed as a fraction in the form of 400/1


Is 400 a whole number?

what is a whole number for 400


What is faster 400 megahertz or 633 megahertz?

Hertz is cycles per second, higher numbers are faster.


What is the smallest and greatest number that can be rounded off to 400?

The smallest number that can be rounded off to 400 is 350, as any number from 350 to 399.99 will round to 400. Conversely, the greatest number that can be rounded off to 400 is 449.99, since numbers from 400 to 449.99 will also round to 400.


What number is 10.5 percent of 400?

10.5% of 400= 10.5% * 400= 0.105 * 400= 42