The "substrate" of the integrated circuit is super-pure silicon.
To solve the exercise it is necessary to apply the equations necessary to apply Newton's second law and the concept related to frictional force.
An angle of 30 degrees is formed on the vertical at an applied force of 2.3N
In this way the frictional force, opposite to the movement will be given by

where,
Kinetic friction constant
N = Normal Force (Mass*gravity)
The friction force is completely vertical and opposes the rising force of 2.3 N. The Normal force acts perpendicular to the surface (vertical) therefore corresponds to the horizontal component of the applied force.
The ascending force would be given by

As the block is moving upward, the friction force acts downward, also its weight acts downward. We can have


Considering the horizontal force the normal force on the block must be balanced by the horizontal component of pishing foce


Then the frictional force




Therefore the coefficient of kinetic friction is 0.26
The first image describes the geographical feature is most likely to have been created by uplifting and folding of earth’s crust during a continental-continental convergence.
<h3>What is continental-continental convergence?</h3>
The term continental-continental convergence refers to the point where two continental plates collide.
The images shown in the question describe the different geographical features. However, the first image describes the geographical feature is most likely to have been created by uplifting and folding of earth’s crust during a continental-continental convergence.
Learn more about geographical feature: brainly.com/question/14914572
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Answer:
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