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3 years ago

One of the purposes of an experiment is to determine whether the dependent variable affects the independent variable.

Physics

2 answers:

Hatshy [7]3 years ago

7 0

Answer:

false

Explanation:

Lilit [14]3 years ago

4 0

False. The purpose of an experiment is to determine whether the independent variable affects the dependent variable, not the other way around. The independent variable is the one that is manipulated by the experimenter.

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Suppose that the electric field in the Earth's atmosphere is E = 1.16 102 N/C, pointing downward. Determine the electric charge

butalik [34]

Answer:

Electric charge in the earth will be $Q=5.231\times 10^5C$

Explanation:

We have given that E = 116 N/C

Radius of the earth R = 6371 km = 6371000 m

We have to find the electric charge in the earth '

We know that electric field due to charge is given by $E=\frac{1}{4\pi \epsilon _0}\frac{Q}{R^20}=\frac{KQ}{R^2}$ . here K is coulomb's constant

So $116=\frac{9\times 10^9\times Q}{(6371000)^2}$

$Q=5.231\times 10^5C$

So electric charge in the earth will be $Q=5.231\times 10^5C$

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mel-nik [20]

Answer:

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Explanation:

because two forces in opposite direction one take +and the other takes -

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bixtya [17]

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rosijanka [135]

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2 years ago

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