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alexira [117]
3 years ago
7

What is in the blank?

Physics
1 answer:
Vika [28.1K]3 years ago
8 0
This is in the thermosphere which is at an altitude of 85-520km
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All the following statements about DC current are true except:
trapecia [35]

Answer:

Is considered as not as dangerous as AC

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3 years ago
3x/y=6g/b solve for x
lora16 [44]
So looking at the problem, you are going to want to start by finding a common denominator (1) in this case: yb, and combining like terms (2). You are then going to want to multiply both sides by (yb) as the reciprocal to the fractions (3).
1)  3x    6g
     ---- = ---
     y       b

2)  3xb    6gy
     ------ = -----   
     yb       yb

3)       3xb    6gy
  (yb) ------ = -----  
          yb       yb
which becomes: 3xb = 6gy

So after this, things become much more simple, as all you have to do is isolate the (x), which can be done by dividing the entire equation by (3b).

3xb   6gy
----- = -----
3b      3b

where you will then find your answer of:
      2gy
x = -----       (simplified by the GCM of 3)
       b
5 0
3 years ago
The frequency of electromagnetic energy traveling through a medium can change if any of the following change EXCEPT: Select one:
agasfer [191]

Answer:

b. amplitude

Explanation:

An electromagnetic waveconsists of electrical oscillations and magnetic fields. The frequency of the wave is directly proportional to its energy and its speed and inversely proportional to its wavelength. Therefore, with the only magnitude with which it has no relation is with its amplitude.

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How much of each food dollar goes to the producer
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1

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because you have to estimate

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3 years ago
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