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Verdich [7]
3 years ago
13

Does a good insulator prevent energy from getting through it, or slow its passage

Physics
1 answer:
9966 [12]3 years ago
8 0
A good heat insulator absorbs all, or almost all, of the heat energy
from any heat that flows through it.

A good electrical insulator absorbs all, or almost all, of the energy
from any electric current that flows through it.
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3 years ago
Un automovil de 900 kg toma una curva de radio de 40 m con una rapidez constante de 50 km/h. Cual es la fuerza neta necesaria pa
Llana [10]

Answer:

Fc = 4340,93 Newton

Explanation:

Dados los siguientes datos;

Masa = 900 kg

Velocidad, V = 50 km/h a metros por segundo = (50 * 1000)/(60 * 60) = 50000/3600 = 13,89 m/s

Radio, r = 40 m

Para encontrar la fuerza centrípeta;

Fc = mv² / r

Fc = (900 * 13,89²)/40

Fc = (900 * 192,93)/40

Fc = 173637/40

Fc = 4340,93 Newton

4 0
3 years ago
Which does not represent a change in velocity?
alina1380 [7]

Answer:

A balloon is floating up into the air at 1 m/s.

Explanation:

Velocity is the displacement divided by the time;

   Velocity = \frac{displacement}{time}

It is a vector quantity that has magnitude and direction.

The choice that shows a change in direction is a correct specification of velocity.

A balloon floating up into the air at 1m/s shows no directional change.

7 0
3 years ago
The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as shown in Figure below.. Det
Savatey [412]

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3 years ago
Shiny reflective clothing allows a firefighter to get closer to a fire. What type of heat transfer is reduced because of this ma
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A.) conduction.

conduction is the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.

6 0
3 years ago
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