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Veseljchak [2.6K]
3 years ago
10

A global positioning satelite transmits a radio wave with a wavelength of 19 cm. What is the frequncy of the radio wave ?

Mathematics
1 answer:
jonny [76]3 years ago
7 0

Answer:

which means that your wave will have a frequency of

v=1.6* 10^9Hz

Step-by-step explanation; here's  some examples i had from my class.

In simple terms, the inverse relationship that exists between frequency and wavelength tells you that high frequency waves will have short wavelengths, and low frequency waves will have long wavelengths

The wavelength used by the satellite fall in the relatively long category, which means that you can expect it to have a relatively high frequency.

Before doing any calculations, notice that the speed of light is given in meters per second. This means that you will need to convert the wavelength of the wave from centimeters to meters in order to make sure that the units cancel out.

Because frequency and wavelength are related by a constant (c) the energy can also be written in terms of wavelength: E = h · c / λ. When the energy increases the wavelength decreases and vice versa. That is, energy in inversely proportional to wavelength.

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9(k-4)-7k=32-2(k-8)
IrinaK [193]

Answer: k=21

Step-by-step explanation:

1. Distribute the 9 to the k and the -4 in the parentheses.

9 · k = 9k and 9 · -4 = -36

You now have 9k - 36 - 7k. You can combine the like terms of 9k and -7k and get 2k, giving you 2k - 36.

2. For the other side of the equation, you also distribute -2 to the k and -8 in the parantheses.

-2 · k = -2k and -2 · -8 = 16

You now have 32 - 2k + 16. Combine the like terms 32 and 16 (32 + 16) and you get 48. This gives you the equation 48 - 2k.

3. Now you should have the equation 2k - 36 = 48 - 2k.

You want the k on one side of the equation so you need to cancel out one of them. I cancelled out -2k by adding 2k to it. You also need to add this 2k to your 2k on the other side of the equation.

Ex: 2k - 36 = 48 - 2k

   +2k                +2k

4. Now you should have 4k - 36 = 48. You need to get 4k by itself so cancel out -36 from both sides by adding 36 to -36 and adding 36 to 48.

You should now have 4k = 84 (48 + 36 = 84).

Divide both sides by 4 to get k by itself. 4 divided by 4 makes k and 84 divided by 4 equals 21. This makes k = 21, which is your answer.

   

4 0
3 years ago
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What is 0/1 srry really hard right?
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Answer:

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Step-by-step explanation:

0/1

0 ÷ 1 = 0

4 0
3 years ago
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Write an expression that equals 24 include an exponent
pogonyaev

Answer:

(4^2)+8

4 times 4 is 16,

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3 0
4 years ago
2(3x + 2) = 2x - 1+x.
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Answer:

x = -5/3

Step-by-step explanation:

Hope this helps!

Best of luck!♥

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If the hikers want to share the fruit evenly , how many Leicester should each person receive?
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An even amount each 
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stupid example but hope it helps



6 0
3 years ago
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