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alexira [117]
1 year ago
12

Tearing of paper is said to be a change that cannot be reversed. What about paper recycling? Explain.

Physics
1 answer:
Step2247 [10]1 year ago
6 0

Answer:

Recycling of paper cannot be reversed thus making it an irreversible change

Explanation:

When we recycle paper an entirely new product can be made which cannot be changed back to paper

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What are conductors, semiconductors, non-conductors, dielectrics?
elena55 [62]

Conductors are substances that pass an electrical charge.

Semiconductors are substances whose electrical conductivity is lower than that of metals and greater than that of dielectrics.

Electricity nonconductors or insulators - in the terminology of Faraday - dielectrics (see). N. perfect does not exist; they represent only a large resistance to galvanic current and then different bodies in varying degrees (see Galvanic current), so that between poor and good conductors there are many bodies of average conductivity. N. The galvanic current is also the best insulators of static electricity. N. Heat or its bad conductors are at the same time electrical insulators (see Thermal Conductivity).

A dielectric (insulator) is a substance that is poorly conducting or not conducting at all. The concentration of free charge carriers in a dielectric does not exceed 108 cm-3. The main property of the dielectric is the ability to polarize in an external electric field. From the point of view of the band theory of a solid body, a dielectric is a substance with a band gap greater than 3 eV.

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2 years ago
Ian pushed a piano across the room with the correct amount of force. Which of newton’s laws is this?
Black_prince [1.1K]

Answer:

1st and 2nd

Explanation:

6 0
2 years ago
The bending of a seismic waves as it crosses a boundary is called ___
Pavel [41]
<span>The correct answer is: C) refraction.

Hope this helps :)</span>
5 0
3 years ago
Read 2 more answers
QUESTION 12
Y_Kistochka [10]

Answer:

The target was higher than the cannon

Explanation:

Given that a cannon ball is launched with initial speed 56 m/s, and hits a target at speed 35 m/s.

The initial velocity must be 56 m/s, while the final velocity will be 35 m/s.

When an object is thrown upward with an initial velocity, the object continues to move upwards with decreasing in magnitude of velocity till it reaches the maximum height where the final velocity will be equal to zero.

In this question, since the final velocity is less than the initial velocity, we can conclude that the target is higher.

Therefore, the target was higher than the cannon.

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3 years ago
The acceleration of a particle moving only on a horizontal xy plane is given by , where is in meters per second squared and t is
Tamiku [17]

no sure o you hae a formula

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2 years ago
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