10 POINTS !!! Why is it risky to build something whose natural frequency can be matched byexternal vibrations?

Answers

Answer 1
Answer:

It is risky to build something whose natural frequency is matched with external vibrations because of  ;  The effect of resonance

When an object constructed has a natural frequency which is equal to the frequency of a nearby external vibration, the amplitude of the vibration of the object will increase due to the resonance effect which occurs because the external frequency matches up with the natural frequency of the constructed object.

The negative effect of resonance is the increase in the amplitude of the vibration of the object which might lead to the partial or complete collapse of the constructed object.

Hence we can conclude that It is risky to build something whose naturalfrequency is matched with external vibrations because of  ;  The effect of resonance

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Answer 2
Answer:

Answer:Most objects have at least one natural frequency of vibration. If a nearby object vibrates at the same frequency, it can cause resonance. Resonance is an increase in amplitude of a vibration that occurs when external vibrations match an object's natural frequency.

Explanation:


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A serve the two plants which cellular change affected the structure of second plant

Answers

The difference in second plant from the first one is rigidity. Second one is wilted and not rigid. This is due to the release of water from the vacuoles in the cell of plants

In the anabolic pathway for proteins, how is excessive protein stored?

Answers

In the anabolic pathway for proteins, excessive protein is stored in the form of fat. The main purpose of the anabolic pathways is to synthesize molecules and this requires energy. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.

What does the cardiovascular system do?carries hormones for the endocrine system
transports oxygen and carbon dioxide for the respiratory system
sends nerve impulses to the brain and spinal cord
carries nutrients for the digestive system
works with the immune system to fight infection

Answers

Answer:

transports oxygen and carbon dioxide for the respiratory system

Explanation:

It’s could be the second one but I’m not sure sorry

Using random sampling technique, select 3 grid segments for a sample taken from the plot above. List the 3 grid segments you selected. (1 point)

Answers

Answer:

I don't know exactly what you need but I give you an example so that you can create your samples through the Excel program, I hope it helps.

Just enter your sampling frame (the clients of which you have contact information) in the spreadsheet. Once you have a sampling frame (possible respondents) in Excel, you can easily select a random sample among them. For example, in your case that it is a work of biology and neceists three random samples here you can apply it with the following rules:

-Add a new column in the spreadsheet and name it "Random Number".

-In the first cell below your header row, type "= RAND ()".

-Press “Enter” and a random number will appear in the cell.

-Copy and paste the first cell in the other cells of the column.

-Once each row has a random number, organize the records from the "Random number" column.

-Then, select the first samples. In this way you will randomly choose from all samples.

The red-cockaded woodpecker is found in the pine forests of Georgia. It eats insects found in the barks of the pine trees and nests in the trees. How will a reduction in the number of pine trees MOST LIKELY affect the red-cockaded woodpecker? A) It will decrease in number. B) It will adapt to a new habitat. C) It will build nests in other trees. D) It will hide better from animals that eat it.

Answers

The best and most correct answer among the choices provided by the question is the first choice. A decrease on the pine trees would decrease the number of the woodpeckers. I hope my answer has come to your help. God bless and have a nice day ahead

The correct answer is option A,  It will decrease in number

Reason -

Since the red-cockaded woodpecker, depends for its fooding on insects which are found in the trees. As the trees are removed, the insects get simultaneously removed. Now the woodpecker will not get food for feeding itself so the first and foremost affects that will take place is the depletion of woodpeckers due to non-availability of foods. However, after certain period of time the woodpecker population may shift to a new location with appropriate food for survival.

How many functional groups are present in threonine

Answers

Threonine contains two functionalgroups: an amino group (-NH_2) and a hydroxyl group (-OH).

These functionalgroups are responsible for the molecule's properties and reactivity. The amino group is part of the amino acid structure, while the hydroxyl group is characteristic of alcohols.

The carboxyl group (-COOH) is another functionalgroup present in threonine. It is acidic in nature and can donate a proton, making threonine capable of acting as a weak acid.

The hydroxyl group (-OH) attached to the side chain of threonine is an alcohol functional group. It provides threonine with unique chemical properties.

Thus, threonine contains two distinct functional groups: an amino group (-NH_2) and a hydroxyl group (-OH).

For more details regarding functional group, visit:

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Answer:

It contains Amino group NH2, Carboxylic Acid group COOH, also Hyroxyl group OH