Which of the following scenarios would cause a sound to stop being produced?A. A molecule moves through its normal position to the opposite side of its normal position.
B. A molecule moves in the same direction as a wave.
C. The vibration results in a molecule moving vertically.
D. The vibration of the point in the medium ends.

Answers

Answer 1

Answer:

The scenario that would cause a sound to stop being produced is when a molecule moves through its normal position to the opposite side of its normal position. The answer is letter A. This is also known as destructive interference.

Answer 2

Answer: D. The vibration of the point in the medium ends.

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How is a refracting telescope similar to a compound microscope?

Answers

Answer:

There are two similarities between refracting telescope and compound microscope.

1. both have objective lens and eyepiece lens

2. both the lenses are convex in nature.

Explanation:

Objective lens is near the object and eyepiece is near the eye through which we can see the image.

Convex or converging lens is used to converge the rays of light coming from the object.

They both have an objective lens and an eyepiece lens.

Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity? A) the starting point
B) the direction
C) the end point
D) the time per meter

Answers

The piece of information that is missing for the correct calculation of velocity is the direction.

What is velocity?

Velocity is the rate of change of distance. Velocity is a vector quantity. A vector quantity depends on magnitude and direction as well.

If forward direction, then velocity would be positive and if backward direction, it would be of negative.

To learn more about Velocity here

brainly.com/question/18084516

#SPJ2

Answer:The Direction

Explanation: You gotta know where your going

A 20 kg crate of books is at rest on a table. what is the normal force on the books?

Answers

The weight of 20 kg is

(mass) x (gravity) =

(20 x 9.8) = 196 newtons, downward.

There must be a force of 196 newtons upward on the mass.
Otherwise the mass is accelerating either up or down.

When light passes through an object unchanged scientists call that process

Answers

The process is "transmission" of light. The object is "transparent".

When light passes directly through an object unchanged, that object is called transparent.
Hope that helped =)

how should the charge q be divided into two parts such that they experience maximum electrostatic repulsion

Answers

Answer:

To divide the charge q into two parts such that they experience maximum electrostatic repulsion, the charges should be equal in magnitude and opposite in sign. In other words, the charge q should be divided into two equal charges of -q/2 and +q/2. This arrangement will result in the maximum electrostatic repulsion between the charges, as like charges repel each other.

Explanation:

When used as an energy source in a nuclear power plant, uranium is burned in a similar way as one would burn wood or coal for energy. a. True
b. False

Answers

False because nuclear fission is used on uranium in nuclear power station and this reaction is continuous since a neutron hits a uranium atom and splits it. Then 2-3 neutrons are released which continues the cycle or hitting other uranium atoms. If this reaction isn't contained, it could get out of control and become a nuclear bomb. So it can't be burned like wood nor coal.
Hope this is helpful.

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An object traveling at a constant speed but with a changing direction is accelerating. a. Trueb. False