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harkovskaia [24]
3 years ago
5

What is a material that restricts the flow of electricity or thermal energy

Physics
3 answers:
Alina [70]3 years ago
7 0

Answer:

Mineral Wool

Explanation:

The mineral wool is a porous material that restricts thermal energy by trapping air in.

anyanavicka [17]3 years ago
4 0

Those materials (there are thousands of them) are called "<em>insulators</em>".

Some examples: glass, paper, most plastics, pure water, most rocks, air

ratt2 years ago
0 0

on edg its an "insulator"

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harkovskaia [24]

Answer:

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3 0
3 years ago
A car drives 90 meters north, then turns around and drives 120 meters south. What was its displacement and distance?
Rufina [12.5K]

Answer:

displacement= 30 m towards south, distance= 210m

Explanation:

Distance (scalar quantity) how much ground an object has covered.

Displacement (vector quantity) refers to how far out of place an object is it is the object's overall change in position.

Basically meaning for displacement the directions will be very key

D for Displacement

D= D1+D2

D=  120 (S) + 90 m (N)

Must be in same direction

D= 120 (S) + (-90 m) (S)

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3 0
2 years ago
What is the measure of the change in velocity during the period of time?
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That measure is known as "acceleration"
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Hope this helps!
3 0
3 years ago
What is the density of a substance that has a mass of 453g and a volume of 224mL?
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Density is mass per unit volume. In this case, the unit is g/ml
Mass=453g                              ρ=453g/224ml
Volume=224ml                         ρ=2.022g/ml(rounded to nearest hundredth)
Density=?
ρ=mass/volume
Therefore the density of the substance is 2.022g/ml

6 0
3 years ago
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