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Ymorist [56]
3 years ago
5

Which research method uses questionnaires to collect information about the participants in a study?

Physics
2 answers:
andrezito [222]3 years ago
8 0

Answer: survey research method.

Explanation: The survey research method studies the samples of individual units. It is a good way of collecting data from the participants of a study by using questionnaries. Surveys are useful to gather results that will be important in the future study.

musickatia [10]3 years ago
7 0
Survey research method uses questionnaires to collect information about the participants in a study.It is commonly used method of collecting information about a population of interest.
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const2013 [10]

Answer:

3.06m/s² to the east

Explanation:

Given parameters:

Mass of car = 2.5 x 10³kg

Force acting on the car  = 7.65 x 10³N

Unknown:

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Solution:

From Newton's second law of motion:

      Force  = mass x acceleration

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3 years ago
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svlad2 [7]

Answer:

Explanation:

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5 0
2 years ago
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What is meant by the statement that a laser beam is coherent, mono-chromatic and parallel?
Artyom0805 [142]

Answer:

Laser light however contains only one wavelength. This property makes lasers monochromatic, meaning of one color. Another property of lasers is that all the wavelengths are in phase, meaning they wave together. This property is called coherency. Laser light travels in the same direction, parallel to one another.

8 0
3 years ago
Explain the law of conversion of energy with an example and explain it ​
Sophie [7]

Answer:

The law of conservation of energy can be seen in these everyday examples of energy transference: Water can produce electricity. Water falls from the sky, converting potential energy to kinetic energy. ... The cue ball loses energy because the energy it had has been transferred to the 8 ball, so the cue ball slows down.

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3 years ago
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when do you use cos and sin in situations like these? is horizontal always cos and vertical always sin?
Andreas93 [3]

Answer:

yes

Explanation:

this is simple

the horizontal line is adjacent

the vertical line is opposite

recall that cos x=adj/hyp

adj=hyp(cos x)

while opp=hyp(sin x)

8 0
3 years ago
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