The samurai gain prestige and became respected during the 10th century
TLDR; 10th
Resonance is the phenomenon responsible for the intense vibrations that can arise if a group of soldiers simultaneously step on a bridge.
<h3 /><h3>What is vibration resonance?</h3>
It is the natural frequencies due to external forces that can generate an amplified response, which can result in negative damage, as in the example, damage to the bridge structure.
Therefore, vibration resonance is the effect of exposing a product to a significant external force.
Find out more about resonance here:
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Answer:
b. journal articles
c. experimental data
Explanation:
In any report writing, if any reference is mentioned or quoted in the body of the report, it should be listed in the reference section of the report. Thus while making laboratory report, various information can be used while preparing the report taking help from other sources.
For example, the value of some experimental data such as the value of acceleration due to gravity, electron's mass, Planck's constant, Universal Gas constant, etc. can be used from other sources while making a laboratory report.
Also we take references from various articles of journals to present our content in the report
So these data should be cited in the reference section of the report.
Hence the correct option is (b) and (c).
Answer: There are 17 autonomous communities and two autonomous cities that are collectively known as "autonomies".