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NeTakaya
3 years ago
11

Type the correct answer in the box. Spell all words correctly.

Engineering
2 answers:
Otrada [13]3 years ago
5 0

Answer:

solar engineering field

jeka57 [31]3 years ago
3 0

Answer:

en

Explanation:

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Ammonia vapor becomes irritating to the<br> nose and throat at a concentration of<br> ___ppm
mr_godi [17]

Answer: Even low airborne concentrations (100 ppm) of ammonia may produce rapid eye and nose irritation.

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3 years ago
36. What is mass? (4.4)
KatRina [158]

Answer:

Mass, in physics, quantitative measure of inertia, a fundamental property of all matter.

Explanation:

Mass is the matter that makes up objects

3 0
3 years ago
a) A total charge Q = 23.6 μC is deposited uniformly on the surface of a hollow sphere with radius R = 26.1 cm. Use ε0 = 8.85419
dusya [7]

Answer:

(a) E = 0 N/C

(b) E = 0 N/C

(c) E = 7.78 x10^5 N/C

Explanation:

We are given a hollow sphere with following parameters:

Q = total charge on its surface = 23.6 μC = 23.6 x 10^-6 C

R = radius of sphere = 26.1 cm = 0.261 m

Permittivity of free space = ε0 = 8.85419 X 10−12 C²/Nm²

The formula for the electric field intensity is:

E = (1/4πεo)(Q/r²)

where, r = the distance from center of sphere where the intensity is to be found.

(a)

At the center of the sphere r = 0. Also, there is no charge inside the sphere to produce an electric field. Thus the electric field at center is zero.

<u>E = 0 N/C</u>

(b)

Since, the distance R/2 from center lies inside the sphere. Therefore, the intensity at that point will be zero, due to absence of charge inside the sphere (q = 0 C).

<u>E = 0 N/C</u>

(c)

Since, the distance of 52.2 cm is outside the circle. So, now we use the formula to calculate the Electric Field:

E = (1/4πεo)[(23.6 x 10^-6 C)/(0.522m)²]

<u>E = 7.78 x10^5 N/C</u>

4 0
3 years ago
When you are climbing a hill on a bike with different speeds, why does it seem like you are pedaling a lot to cover a short dist
ololo11 [35]

It seems like your pedaling a lot because it takes more energy and is way slower than a regular road. It you switch to the higher gear it will make you go slower because it is made for going down hill or going high speeds and a lower gear will help you more cause its easier and it will make it go faster.

5 0
3 years ago
Fire extinguishers need to be checked _______ to make sure they are working properly.
Zepler [3.9K]

Answer:

Answer D

Explanation:

They need to be checked monthly

3 0
2 years ago
Read 2 more answers
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