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3 years ago

Arrange the core steps of the scientific method in sequential order.

Physics

2 answers:

enyata [817]3 years ago

8 0

Answer:

A Scientific method is way to investigate observations and answer questions. A hypothesis is formed and there after steps are taken to test the hypothesis and draw conclusion.

The steps of the scientific method are:

State a hypothesis.
Identify the relationship to be tested.
Decide on the dependent and independent variables.
Identify and eliminate any confounding variables.
Test the hypothesis with an investigation.
Analyze the data.
Come to a conclusion based on the data.

andriy [413]3 years ago

4 0

<span>the picture bellow gives you all the answers, this picture was given to my class by my science teacher a few years ago so it is accurate

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A bag of cement has a mass of 62 g. What is the mass of the bag of cement in S.I. units (kg)?

NNADVOKAT [17]

The mass of this bag of cement in S.I. units (kg) is equal to 0.062 kilograms.

<u>Given the following data:</u>

Mass of cement = 62 grams.

To calculate the mass of this bag of cement in S.I. units (kg):

<h3>How to convert to S.I. units.</h3>

In Science, kilograms (kg) is the standard unit of measurement or S.I. units of the mass of a physical object. Thus, we would convert the value of the mass of this bag of cement in grams to kilograms (kg) as follows:

<u>Conversion:</u>

1000 grams = 1 kilograms.

62 grams = X kilograms.

Cross-multiplying, we have:

X = $\frac{62}{1000}$

X = 0.062 kilograms.

Read more on mass here: brainly.com/question/13833323

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2 years ago

Two facing surfaces of two large parallel conducting plates separated by 8.5 cm have uniform surface charge densities such that

elena-s [515]

Answer:

positive plate

E = 5.764 KV / m

W = 490eV or 7.85 * 10^-17 J

E_p = 4.74 *10^(-12) eV

E_k = 490 eV

Explanation:

part a

The potential difference between two plates = 490 V

Distance between two plates = 8.5 cm

Answer: The positive plate is at higher potential because of convention.

part b

Electric Field between the plates

E = V / d

E = 490 / 0.085 = 5.764 KV / m

Answer: Electric Field between the plates E = 5.764 KV / m

part c

Work done by electric field

W = V*q

W = 490 * 1.602*10^-19

W = 7.85 * 10^-17 J

or W = 490 eV

Answer: Work done by electric field W = 490eV or 7.85 * 10^-17 J

part d

Potential Energy of an electron gained:

E_p = m_e * g * d / (1.602*10^-19)

E_p = 9.109*10^-31* 9.81 * 0.085 / (1.602*10^-19)

E_p = 4.74 *10^(-12) eV

Very very small E_p approximately 0

Answer: Potential Energy of an electron gained E_p = 4.74 *10^(-12) eV or 0.

part e

Kinetic Energy of an electron gained:

W - E_p = E_k

E_k = 490eV - 4.74*10^(-12)eV

E_k = 490 eV

Answer: Kinetic Energy of an electron gained E_k = 490 eV

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4 years ago

Why is the big bang called a theory?<br>

viva [34]

There is no scientific way to prove that it happened it’s like a hypothesis without being able to test the hypothesis

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3 years ago

Read 2 more answers

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inysia [295]

Explanation:

Start with what you know and list your knowns and unknowns

F = ma

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