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Ksenya-84 [330]
3 years ago
8

Not everything in science is clear-cut, with obvious problems, experiments, theories, and solutions. Sometimes scientists gather

data
and evidence for which there is no apparent explanation
This was the case when early European astronomers recorded data of the planets' movements through the sky. While the stars.
Moon, and Sun all revolved around the Earth in simplo, seemingly circular patters, the planets moved forward and backward in wild
loops, and no one know exactly why this happened.
This was until Johannes Kepler guessed that maybe the planets move around the Sun, not in circular orbits, but in ellipses. This was
an idea that no one else had thought of, and when it was compared to recorded data, it proved to be correct
What does this example illustrate about the process of science?

A. Science sometimes requires creativity

B. Creative ideas are not useful in science

C. Mathematical theories always lead to scientific theories

D. Guessing should have no place in modern science
Physics
1 answer:
sergij07 [2.7K]3 years ago
4 0
A. science sometimes requires creativity
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If the charge on the negative plate of the capacitor is 121 nano-Coulomb, how many excess electrons are on that plate? Write you
Julli [10]

Answer:

n = 756.25 giga electrons

Explanation:

It is given that,

If the charge on the negative plate of the capacitor, Q=121\ nC=121\times 10^{-9}\ C

Let n is the number of excess electrons are on that plate. Using the quantization of charges, the total charge on the negative plate is given by :

Q=ne

e is the charge on electron

n=\dfrac{Q}{e}

n=\dfrac{121\times 10^{-9}}{1.6\times 10^{-19}}

n=7.5625\times 10^{11}

or

n = 756.25 giga electrons

So, there are 756.25 giga electrons are on the plate. Hence, this is the required solution.

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What is Newton's third law ?​
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Answer:

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Se dispone de dos vasos con agua a 20 grados y queremos calentarlo hasta alcanzar 50 grados. Si el primero contiene 0,5l y el se
BigorU [14]

Answer:

The cup with 0.5L

Explanation:

To know what amount of water you take into account the specific heat of the water. The specific heat of water is:

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You have that one cup has 0.5 L and the other one has 750mL = 0.75L

The second cup of water will need more heat because the amount of water contained in the second cup is greater than in the first cup with 0.5L

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