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lina2011 [118]
3 years ago
6

What are the principals of electric arc welding

Physics
1 answer:
Wewaii [24]3 years ago
7 0
Principles<span> of </span>arc welding<span>. </span>Arc welding<span> is a </span>welding<span> process, in which heat is generated by an </span>electric arc<span> struck between an electrode and the work piece. </span>Electric arc<span> is luminous</span>electrical<span> discharge between two electrodes through ionized gas.</span>
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We run a distance of 1000 m at a speed of 4.3 m/s. Calculate the time elapsed to cover this distance
pashok25 [27]

Answer:

So if we need to cover 1000 meters. And we go at a speed of 4.3 m/s. That means that every 4.3 meters we cover is 1 second. So we divide both amd get

1000/4.3 = 232.56 is approx the answer. Also the meters cancel out because

m/(m/s) = m*s/m, cancels out giving s as a unit.

<h2><u>Therefore the answer is 232.56 seconds</u></h2>

6 0
2 years ago
Suppose your salary in 2012 is $70,000. Assuming an annual inflation rate of 7%, what salary do you need to earn in 2020 in orde
s2008m [1.1K]

Annual salary(2012) = $70,000

Annual inflation = 7%

Therefore, the salary you need to earn in 2020 in order to have the same purchasing power can be calculated below

2020-2012=8\text{ years}FV=PV\times(1+r)^n

where

n = 8

r = 7/100 = 0.07

PV = 70, 000

\begin{gathered} FV=70,000(1+0.07)^8 \\ FV=70000(1.07)^8 \\ FV\text{ = 70000}\times1.71818617983 \\ FV=120273.032588 \\ FV=\text{  \$}120,273.03 \end{gathered}

The salary you need to earn in 2020 to have the same purchasing power = $120, 273.03

8 0
1 year ago
When the motion of one or both of the particles is at an angle to the line of impact, the impact is said to be ________
Nana76 [90]

Answer: Oblique impact

Explanation:

When the motion of one or both of the particles is at an angle to the line of impact, the impact is said to be oblique impact.

On the other hand, when the directions of motion of the two colliding particles are moving along a line of impact, then it's refered to as central impact.

7 0
2 years ago
When two atoms share electrons the bond is ______
Ksju [112]
I think it is equal  for your question

3 0
2 years ago
Read 2 more answers
Carol can be defined as a social drinker because she can easily limit drinking and she chiefly drinks alcohol when she is out wi
satela [25.4K]
True. These are the characteristics of a social drinker.
6 0
3 years ago
Read 2 more answers
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