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weeeeeb [17]
3 years ago
12

1. Rocks change as a result of what?

Physics
2 answers:
lisov135 [29]3 years ago
3 0
1.Erosion 2.by color,texture etc
aliina [53]3 years ago
3 0

Answer by YourHope:


Hi! :)


1. Rocks change as a result of Erosion!


2. Rocks are sorted by color and texture!


3. Melted rock deep in the earth is called magma!


4. The process that occurs when melted rock cools is called igneous rock!


5. How does the rate of Cooling affect crystal formation in rocks? It affects the size of the crystals that form within each of the solid rocks. Rapid cooling produces small crystals, while slower cooling producing larger ones!


:)

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svlad2 [7]

Answer:

 F = - k (x-xo) a graph of the weight or applied force against the elongation obtaining a line already proves Hooke's law.

Explanation:

The student wants to prove hooke's law which has the form

          F = - k (x-xo)

To do this we hang the spring in a vertical position and mark the equilibrium position on a tape measure, to simplify the calculations we can make this point zero by placing our reference system in this position.

Now for a series of known masses let's get them one by one and measure the spring elongation, building a table of weight vs elongation,

we must be careful when hanging the weights so as not to create oscillations in the spring

we look for the mass of each weight

         W = mg

          m = W / g

and we write them in a new column, we make a graph of the weight or applied force against the elongation and it should give a straight line; the slope of this line is sought, which is the spring constant.

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5 0
2 years ago
One of the advantages of alternating current (ac) over direct current (dc) is the ease with which voltage levels can be increase
Svet_ta [14]

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3 0
2 years ago
A student pushes a 12.0 kg box with a horizontal force of 20 N. The friction force on the box is 9.0 N. Which of the following i
Hoochie [10]

The acceleration of the box is approximately 1 m/s^2

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According to Newton's second law of motion, the net force acting on the box is equal to the product between its mass and its acceleration:

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m = 12.0 kg is the mass of the box

a is the acceleration

The net force can be written as

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where

F_a = 20 N is the applied forward force

F_f=9.0 N is the friction force

Combining the two equations,

F_a-F_f=ma

And solving for the acceleration,

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Learn more about Newton's second law:

brainly.com/question/3820012

#LearnwithBrainly

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