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alexandr402 [8]
2 years ago
6

HELPPPPPPPPPPPPPP 70PTS NOT A LIE

Physics
2 answers:
jeka57 [31]2 years ago
8 0

Explanation:

  1. a magnetic substance is one that is attracted by magnets
  2. electricity and magnetism are two related phenomena produced by electromagnetic force.A moving electric charge forms a magnetic field
  3. ferromagnetism is a a magnetism related to iron,cobalt, nickel or
Olenka [21]2 years ago
6 0

a magnetic substance is one that is attracted by magnets

electricity and magnetism are two related phenomena produced by electromagnetic force.A moving electric charge forms a magnetic field

ferromagnetism is a a magnetism related to iron,cobalt, nickel or

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What is an example of a system and describe the energy flow through it.
dolphi86 [110]

Ecosystem is an example of system.

Explanation

The best example of a system is the ecosystem.

The energy flow in the ecosystem starts from the sun which is the primary source of producing energy.

The sun provides energy to the plants and which will transfer energy to the animals or humans consuming them.

The energy is further transferred between the organisms by consumption of other organisms.

Even the decayed organisms are converted to fuel energy and the waste or unused energy is released as heat in the atmosphere.

Thus in the ecosystem, the law of conservation of energy is maintained as the energy transferred by the Sun to other organisms can be again converted to fossil energy once they have decayed.

6 0
3 years ago
Copper wire is 1. 9 mm in diameter and carries a current of 20 a. What is the electric field stregnth inside this wire?
Tju [1.3M]

The electric field strength will be 0.6252 V/m. It is the strength at which the field is created by charges.

<h3>What is electric file strength?</h3>

The electric field strength is defined as the ratio of electric force and charge.

The electric field strength is found as;

\rm E = \frac{I \rho }{A} \\\\ \rm E = \frac{20  \times 1.68 \times 10^{-8} }{ (0.6385 \times 10^{-6}} \\\\ E= 0.5262 \  V/m

Hence, the electric field strength will be 0.6252 V/m.

To learn more about the electric field strength, refer to the link;

brainly.com/question/4264413

#SPJ4

3 0
2 years ago
What force must be exerted on the master cylinder of a hydraulic lift to support the weight of a 2000-kg car (a large car) resti
Tema [17]

Explanation:

Below is an attachment containing the solution.

7 0
3 years ago
When an atom is involved in a nuclear reaction:
nataly862011 [7]
I believe the answer would be , it may change from one element to another. I’m saying this because during nuclear transmutation is when a subatomic particle fired at the nucleus of an atom changes into a heavier element , to break the nucleus apart into two nuclei and energy.
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3 years ago
Astronomers use many different pieces of equipment to study space: optical telescopes on Earth, space telescopes, and space prob
Kobotan [32]
Then it would be C if D has been eliminated
8 0
3 years ago
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