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OlgaM077 [116]
3 years ago
12

Introduction to conductors and insulators and electrification processes. Please

Physics
1 answer:
Ksju [112]3 years ago
3 0
Conductor is an object or type of material that allows the flow of charge in one or more directions. Materials made of metal are common electrical conductors.

Electrical current is generated by the flow of negatively charged electrons, positively charged holes, and positive or negative ions in some cases. In order for current to flow, it is not necessary for one charged particle to travel from the machine producing the current to that consuming it.

electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.


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A 12-kg dog jumps up in the air to catch a ball. The dog's center of mass is normally 0.20 m above the ground, and he is 0.50 m
ad-work [718]

Explanation:

Given Data:

mass of dog = 12 Kg

dog's center of mass = 0.20m

length of dog = 0.50m

height of dog's jump = ?

Solution:

Work done of gravitational force = Gain in Potential energy

2.1 × mgΔh = mg (h - 0.1)

2.1 × (0.3 - 0.1) = (h - 0.1)

h = 0.52 m

5 0
3 years ago
Explain how heat (thermal energy) can change the motion (kinetic energy) of the particles in objects.
Vika [28.1K]

Answer:

Adding heat makes the particles move faster so the particles have more kinetic energy when more thermal energy is added

Explanation:

4 0
3 years ago
Which form of energy does a plant store when light is transformed during photosynthesis into sugars?
AlexFokin [52]

Answer:

C. Chemical energy

Explanation:

The different types of energy listed in this question are:

A) Electrical energy: it is the energy related to the flow of electrical charges (current)

B) Nuclear energy: it is the energy contained in the nuclei of the atoms, and released during nuclear reactions

C) Chemical energy: it is the energy contained in the bonds between molecules, and it is released during chemical reactions

D) Thermal energy: it is the energy associated with the motion of molecules

Photosynthesis is the process that plants use to transform the light energy (coming from the Sun) into chemical energy. In fact, in this process, plants absorb CO2 (from the atmosphere) and solar energy (from the light), and they convert them into sugars (glucose) and oxygen. Therefore, the initial energy coming as solar energy is converted into energy of the bonds of the molecules of glucose (so, chemical energy).

So, the correct option is C).

4 0
3 years ago
Which region of a longitudinal wave is this?
ipn [44]
I think the correct answer is is D.
8 0
2 years ago
Which of the following would result if thermal energy is added to an object?​
seropon [69]

Answer:

is there supposed to be a pic and abcd options?

8 0
2 years ago
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