PHYSICS HIGH SCHOOL

What is the fundamental frequency of a particular medium?. a.the lowest frequency at which a standing wave is possible. b. the highest frequency at which s standing wave is possible

Answers

Answer 1
Answer: The correct answer is definitely A) the lowest frequency at which a standing wave is possible. I choose this option because standing can occur only at a fundamental frequency and at odd harmonics --> the lowest frequence.

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What happens in energy transformations with the total amount of energy?

Answers

Answer:

Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.

Explanation:

cause it is energy
Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.

_______________ involves removing the top layer of earth, mining the coal, and then replacing the earth back on the surface

Answers

Surface mining is the method of removing the overburden parts of the earth which are the earth and rocks. It also involves removal and loading out of the coal, and then placing back the collected earth back into a surface once again. It's also a method that uses equipment or explosives. 

What are different type of plastids explain them?​

Answers

Answer:

types of plastids

chloroplasts

chromoplasts

gerontoplasts

leucoplasts

Explanation:

ans

Which type of wave interaction is shown in the diagram?wave A
MAAAAA
wave B
MAAAA
wave A + B
PAMA
A. Destructive interference
B. Diffraction subtraction
C. Diffraction gradient
D. Constructive interference

Answers

Answer: Constructive interference

Explanation: Just took the test

Final answer:

The diagram shows destructive interference between two waves, resulting in a smaller amplitude wave.

Explanation:

The type of wave interaction shown in the diagram is destructive interference.

In destructive interference, two waves combine and create a new wave with a smaller amplitude. This occurs when the crests of one wave align with the troughs of another wave, causing cancellation.

In the diagram, wave A and wave B are out of phase, meaning their crests and troughs do not align. When they combine, the resulting wave has a smaller amplitude than either individual wave, indicating destructive interference.

Learn more about Destructive interference here:

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Which of the following best defines "medium of exchange"?A. something with a fixed value that we use for exchange
B. a way to determine what is the best deal
C. the average value exchange of a single good or service
D. a monetary rate that stays constant

Answers

Answer:

The best sentence to define "medium of exchange" is:

A. something with a fixed value that we use for exchange

Explanation:

The medium of exchange is the concept to name the tool we use as a medium to exchange different products with the intention o reaching an objective agreement. To achieve this, the medium of exchange has to have a general value and even when its value can increase or decrease based on the economical conditions of the environment it is adaptative and will always behave in a proportional ratio.

I find the first option best.

B. even if something is a best deal - we might not be able to get it, so exchange might not even take place.
C. this would not be a "medium"
D. - well, there isn't such a rate, is there?

So, answer A is really the best - and I think it's also a good definiton

When you calculate the SLOPE of a line segment, what does the SLOPE represent? (Choose all that apply) the Distance traveled the Displacement the Velocity the Acceleration None of the above

Answers

Answer:

Please find the answer in the explanation

Explanation:

When you calculate the SLOPE of a line segment, what does the SLOPE represent? (Choose all that apply) the Distance traveled the Displacement the Velocity the Acceleration None of the above

The slope of any time graph can not give you distance or displacement except for position - time graph.

When you plot either distance or displacement against time, that is, distance time graph or displacement time graph, you can get speed or velocity as the slope of the line segment.

You can only acceleration as a slope in a line of best fit if velocity is plotted against time. That is, in a velocity time graph.

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