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Paraphin [41]
2 years ago
14

2 Calculate the distance from a srtaight wire where the magnetuc field is 0.66 T. the current in the wire is 4A and K = 2 x 10^-

7. [
Physics
1 answer:
nirvana33 [79]2 years ago
7 0

Answer:I don't know!!!!I don't know!!!!I don't know!!!!I don't know!!!!I don't know!!!!

Explanation:

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It took Lilly 7 seconds to ride her bike 35 meters to the end of the block.What was her speed?
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<h2><em>her average speed was 5 meter p/ second </em></h2><h2><em> 18 kph</em></h2><h2><em>                                     HOPE IT HELPS (◕‿◕✿)                                   </em></h2><h2><em>                                                   SMILE!!</em></h2>
4 0
2 years ago
Do you think that the universe has a starting point and ending point? explain.
Eddi Din [679]

Answer:

No

Explanation:

I don't think the universe has a starting and ending point because the universe is vast and has not been fully discovered. I think that the universe is endless because all of the stars, planets, and galaxy's have yet to be found and the end or start of the universe is also yet to be discovered so I think that the universe could go on forever.

3 0
2 years ago
Mirages are due to:
Volgvan
The heat rising from the deseret floor and heat waves make the mirage.
6 0
2 years ago
Read 2 more answers
Water, which we can treat as ideal and incompressible, flows at 12 m/s in a horizontal pipe with a pressure of 3.0 x 10^4 Pa. If
frez [133]

Answer:

p2 = 9.8×10^4 Pa

Explanation:

Total pressure is constant and PT = P = 1/2×ρ×v^2  

So p1 + 1/2×ρ×(v1)^2 = p2 + 1/2×ρ×(v2)^2

from continuity we have ρ×A1×v1 = ρ×A2×v2  

v2 = v1×A1/A2  

and  

r2 = 2×r1

then:

A2 = 4×A1  

so,

v2 = (v1)/4  

then:

p2 = p1 + 1/2×ρ×(v1)^2 - 1/2×ρ×(v2)^2 = p1 + 1/2×ρ×(v1)^2 - 1/2×ρ×(v1/4)^2  

p2 = 3.0×10^4 Pa + 1/2×(1000 kg/m^3)×(12m/s)^2 - 1/2×(1000kg/m^3)×(12^2/16)  

     = 9.75×10^4 Pa

    = 9.8×10^4 Pa

Therefore, the pressure in the wider section is 9.8×10^4 Pa

5 0
3 years ago
Which portion of the electromagnetic spectrum is used in a television?
vladimir1956 [14]
<h2>Answer: Radio waves  </h2><h2 />

Radio waves are a type of electromagnetic radiation with wavelengths between 10 m to 10,000 m. In the electromagnetic spectrum this wavelength is longer than infrared light and therefore, it goes beyond the visible spectrum.  

This type of electromagnetic waves is very well reflected in the ionosphere, the layer of the atmosphere through which they travel directly or using repeaters.  

In addition, they are very useful to transport information, being important in telecommunications. They are used not only for conventional radio transmissions but also in mobile telephony and TV.  

It should be noted that since radio signals have large wavelengths, they can be diffracted around certain obstacles, such as hills and mountain ranges, preventing the signal from reaching its destination.  

Therefore, the correct option is C.

3 0
3 years ago
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