which unit of measure would scientist use to measure the thickness of rock layer, created as a result of volcanic activity

Answers

Answer 1

Answer: A scientist would use a unit of length appropriate for the magnitude of what he or she is measuring. In this case, since rock is built up very slowly, they would probably use millimetres or centimetres. In some cases they may use meters.

Answer 2

Answer:

A scientist would use a unit of length appropriate for the magnitude of what he or she is measuring. In this case, since rock is built up very slowly, they would probably use millimetres or centimetres. In some cases they may use meters.

There you go.

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If you are asked to determine an object’s speed, what information must you have?A. distance and period of time

B. distance and change in position

C. period of time and direction

D. distance and direction

Answers

A) distance and period of time

The speed of an object is equal to the distance it travels divided by the amount of time it takes to travel the distance.

This measures the average speed

Disregarding air resistance, what is the speed of a ball dropped from 12 feet just before it hits the ground? (Use 1 ft = 0.30 m, and use g = 9.8 m/s2.)

Answers

Since the ball is free-falling, you use this equation:
v^2 = 2gh
where v is the velocity
g is the acceleration due to gravity
h is the height at which the object is dropped from

Plugging in the values and converting ft to m,
v^2 = 2 (9.8) (12) (0.3)
v = 8.4 m/s

8.4 m/s have a nice day

Select all that apply. Which statements are supported by the second law of thermodynamics? The usable energy in the universe is decreasing. The usable energy in the universe is increasing. The energy of the universe is being destroyed. The entropy of the universe is increasing.

Answers

The statements supported are:

- The usable energy in the universe is decreasing.
- The entropy of the universe is increasing.

The second law of Thermodynamics establishes that in each energy convertion, in an isolate system, a part of energy is converted into heat (unusable energy) and the entropy of the system increase.

Answer:

a and d

Explanation:

If 2.0 j of work is requiered to move 4 c of chsrge between two points in an electric firld, what is the potential difference between the two points

Answers

2 J / 4 C = 1/2 joule per coulomb.

That's 1/2 volt.

The planet and its moon gravitationally attract each other. Rank the force of attraction between each pair from greatest to least.

Answers

The greatest to the least would be:

2m-D-m
M-D-2m
M=D=M
M=2D=2M

What is meant by force of attraction

The force of attraction refers to the physical phenomenon in which objects are drawn toward each other due to gravitational, electromagnetic, or other fundamental forces. This attraction can be explained by several different interactions, including:

Gravitational Attraction: This is the force of attraction between two objects with mass. According to Newton's law of universal gravitation, every mass in the universe attracts every other mass with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

Read more on force of attraction brainly.com/question/16033085

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The gravitational force between two attracting objects can be solved through the equation,
F = Gm₁m₂ / d²
where m₁ and m₂ are there masses, d is the distance, and G is the gravitational constant. These means that the force is directly related to the masses and inversely to the distance. From the given choices, B will have the greatest energy, followed by C and A, respectively. Lastly, the least force will that be of D.

In a titration, the point where is indicator changes color and stays that way is the?

Answers

It is the end point of a reaction

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