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gulaghasi [49]
3 years ago
9

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
<span>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.</span>
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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

5 0
3 years ago
A rockets thruster provides a 300 N force to the right . Air resistance causes a 130 N to the left what is the net force?
mel-nik [20]

Answer:

+300N-130N=170N

Explanation:

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

6 0
3 years ago
Suppose that 2 scientists use different measurement systems in their work. What problems might arise if they shared their data?
bixtya [17]
<span>In assumption that there were two scientists who used different measurement systems in their research. The problems that might arise if they shared their data is obviously and primarily error. Errors are recognized and one element in every measure, system and quantity. Error was already even present in the measurement system alone a scientist used and it will furthermore aggregate, when these two different scales are combined the more error escalates in the process. There are two types: random and systematic error.   </span>



8 0
3 years ago
Relationship between oceanography and cryosphere
rosijanka [135]
<span>Oceanography is the study of the ocean and the cryosphere are the portions of the earth that are just frozen water (ice). When fresh water glaciers melt, they lower the salt levels in the ocean and and oceanographer studies that and makes sure that it wont have too much of an effect. The cryosphere plays a significant role in the global climate. </span>
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An electric lamp creates light by forcing electrons through the filament of its light bulb. The kinetic energy of the moving ele
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2 years ago
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