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Dovator [93]
3 years ago
14

Which is an example of making a quantitative observation?

Physics
2 answers:
MAXImum [283]3 years ago
5 0

Answer:

Quantitative observation is a data collection method that belongs to quantitative research, and refers to observation that uses precise and computational methods, often statistical in human sciences. The term is commonly used in the human sciences, such as social sciences and education, but broadly it can also refer to natural sciences.

For example, sociology focuses on human-made communities and phenomena resulting from the activities of human communities. In quantitative observation, the researcher seeks to collect empirical evidence for himself. By looking at the evidence, the researcher seeks to understand a social phenomenon. By examining the observational data, the researcher seeks to generalize the observational data he has collected through a quantitative (numerical) hypothesis.

A clear example of quantitative observation occurs when the researcher records the number of people who possess a certain characteristic in a massive event (for example, the number of white people in a Republican rally).

malfutka [58]3 years ago
3 0
An example of a quantitative observation is measuring the surface of an oil painting and finding its dimensions to be 12 inches by 12 inches. A quantitative observation occurs when a researcher takes a measurement that is recorded in an objective number of units.

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Red Riding Hood sat down to rest and placed her 1.20-kg basket of goodies beside her. A wolf came along, spotted the basket, and
anygoal [31]

Answer:

  117.6°

Explanation:

The vertical component of a force directed at some angle α from the vertical is ...

  F·cos(α)

We want the vertical components of the wolf's force (Fw) and Red's force (Fr) to total zero. So for some angle from vertical α, Red's force will satisfy ...

  Fw·cos(25°) + Fr·cos(α) = 0

  cos(α) = -Fw/Fr·cos(25°) ≈ -(6.4 N)/(12.5 N)·0.906308 ≈ -0.464030

  α ≈ arccos(-0.464030) ≈ 117.6°

Red was pulling at an angle of about 117.6° from the vertical.

_____

<em>Additional comment</em>

That's about 27.6° below the horizontal.

3 0
3 years ago
Astronauts often undergo special training in which they are subjected to extremely high centripetal accelerations. One device ha
egoroff_w [7]

The centripetal acceleration of an object is given by the relation,

Ac =V^2/R

where Ac = centripetal acceleration = 98 m/s^2

R = radius of rotation = 15 m

V = speed of astronaut

Hence, \frac{V^2}{15} =98

solving this we get, V = 38.34 m/s

3 0
3 years ago
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saw5 [17]

The potential energy of the block is A) 490 J

Explanation:

The potential energy of an object is the energy possessed by the object due to its position in the gravitational field.

It is calculated as follows:

PE=mgh

where

m is the mass of the object

g is the acceleration due to gravity

h is the height of the object above the ground

For the block in this problem, we have:

m = 10 kg

g=9.8 m/s^2

h = 5 m

Therefore, its potential energy is:

PE=(10)(9.8)(5)=490 J

Learn more about potential energy:

brainly.com/question/1198647

brainly.com/question/10770261

#LearnwithBrainly

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4 years ago
Which element is magnetic?<br> Answer<br> cobalt
Gnoma [55]

Which element is magnetic?

Answer

cobalt

4 0
3 years ago
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30 POINTS!
brilliants [131]

Answer:

d

Explanation:

5 0
3 years ago
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