Current.A moving charge is an object that changes position to one particular obsever.
Potholder should have high insulation and low conductivity, therefore the correct answer is the option B
<h3>What is insulation?</h3>
Insulation is a type of material used to create barriers to the transmission of the form of energy which either is in form of heat or electricity.
For outdoor trips in cold weather, several thin layers act as better insulating barriers for heat transfer.
The ability of an electric charge or heat to pass through a material is measured by its conductivity. A material is considered a conductor if it offers very little resistance to the flow of thermal or electric energy.
Thus, Potholders should be highly insulated and have low conductivity, therefore the correct answer is the option B
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your question seems incomplete, the complete question is
To be effective, a pot holder should have low _____. viscosity conductivity malleability density
Speed= distance/time
Speed= 150000m/7200s=20.83m/s(cor.to.2d.p.)
The forces of attraction between water molecules and the glass walls and within the molecules of water themselves are what enable the water to rise in a thin tube immersed in water.
<h3>What is force?</h3>
Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body.
Force is defined as the product of mass and acceleration. Its unit is Newton.
Surface or interfacial forces lead to capillarity. The forces of attraction between the water molecules and the glass walls and among the water molecules themselves are what causes the water in a thin tube submerged in water to rise.
Hence, the water rises up a thin capillary tube can be explained by Newton's third law.
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Answer:
In Newton's Cradle there are N number of balls are suspended from the thread such that they all touch each other.
Now when we pull one ball apart and released then after the collision one ball on the other side moves up
Then in next time if we pull two balls from one side then after collision it will pull upwards exactly two balls on the other side after collision.
So here the number of balls on the other side is exactly same every time we pull the balls.
This is due to the conservation of momentum principle
As we know that all the balls are identical here then when we pull any number of balls on one side and then release them then after collision the momentum of the balls is transferred to same amount of the balls on the other side
Since there is no external force on this system so we can say that that this momentum conservation will exist for all cases and all number.
