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vitfil [10]
3 years ago
12

Nếu tăng khoảng cách giữa hai điểm lên 4 lần thì lực tương tác tĩnh điện giữa chúng sẽ

Physics
1 answer:
ohaa [14]3 years ago
8 0

Answer:

điện giữa chúng s

Explanation:

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Gennadij [26K]
<h2>If the distance between Earth and moon is increased , the gravitational force will decrease by a proportional amount .</h2><h2>The iron filings sprinkle around the magnet are arranged in regular pattern . The reason for this is that magnet can attract magnetic substances through various materials .</h2>

Explanation:

If the distance between Earth and moon is increased , the gravitational force will decrease by a proportional amount .

The iron filings sprinkle around the magnet are arranged in regular pattern . The reason for this is that magnet can attract magnetic substances through various materials .

8 0
3 years ago
At what point on the track does a roller coaster have the greates kinetic energy?
vredina [299]
At the bottom of the first and biggest drop. I hope I helped ^u^
3 0
3 years ago
Use the fact that the speed of light in a vacuum is about 3.00 × 108 m/s to determine how many kilometers a pulse from a laser b
Morgarella [4.7K]
The first thing that needs to be done is to find everything in the same units.  12 hours becomes 43200 seconds.  Then find the distance traveled by light in that amount of time.  Using the formula v=d/s, manipulate it so it looks like d=v*s.  Then plug in the values: d=(3x10^8)*43200,  d=1.3x10^13m.  But you need to find this in kilometers.  To do this, simply divide your answer by one thousand.  Thus, a laser beam would travel 1.3x10^10 kilometers in 12 hours.
5 0
4 years ago
Which process changes substances into new substances with new properties?
Y_Kistochka [10]

Answer:

The answer to your question is: Chemical change

Explanation:

Chemical Change  is a change where substances change their properties because new substances are obtain. This is the right answer.

Compressibility is a property in which a substance is compressed but it continous being the being so this answer is wrong.

Malleability  is a property in whcih substances are flattened into thin sheets but they don't change their properties. This answer is wrong.

Physical Change is a change in which a substance changes its physical state but the properties are the same than the original substance, this answer is wrong.

4 0
3 years ago
Read 2 more answers
The purpose of this piece of equipment is to
frozen [14]
A. Because that is a digital balance
6 0
4 years ago
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