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xxMikexx [17]
3 years ago
11

Mateo’s parents are thinking about investing money to help develop a new fusion power plant. Which issue is most important to co

nsider before making the investment?
a)Fusion has never been controlled, so how have they succeeded in doing it?
b)The fuel is quite limited, so have they discovered a more common fuel?
c)Fusion has been generating electricity for decades, so why build another fusion power plant?
d)Fusion requires high temperatures and pressures, so how have they reduced the energy cost for it?
Physics
2 answers:
Inessa [10]3 years ago
7 0
The answer is A because fusion has never been controlled in a non explosive manner. 
GrogVix [38]3 years ago
4 0
The answer is D i just took the test on e2020 hope this helps 
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Answer:

Both of them reach the lake at the same time.

Explanation:

We have equation of motion s = ut + 0.5at²

Vertical motion of James : -

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    Substituting,

                  s = ut + 0.5 at²

                 h = 0 x t + 0.5 x g x t²

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Vertical motion of John : -

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    Substituting,

                  s = ut + 0.5 at²

                 h = 0 x t + 0.5 x g x t²

                 t_{John}=\sqrt{\frac{2h}{g}}

So both times are same.

Both of them reach the lake at the same time.

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