Does conductivity depend on amount of material?

Does conductivity depend on amount of material? Conductance and resistance vary corresponding to the size of the material in question, while conductivity and resistivity do not. Does conductivity depend on mass? In this case the thermal conductivity depends on the mass, and that is the reason that helium and hydrogen have very high thermal conductivity. […]

Is there a black star?

Is there a black star? A black star is a gravitational object composed of matter. It is a theoretical alternative to the black hole concept from general relativity. The theoretical construct was created through the use of semiclassical gravity theory. It will appear almost exactly like a black hole. What does a black star stand […]

What four factors help a solute dissolve?

What four factors help a solute dissolve? A: The rate of dissolving is influenced by several factors, including stirring, temperature of solvent, and size of solute particles. Can a solute be removed from a solvent? Because a solute is completely dissolved in its solvent, the two cannot be separated by simply pouring away the solvent […]

What is overweight for a 13-year-old?

What is overweight for a 13-year-old? For example, a 7-year-old boy who is 3 feet 11 inches (119 cm) tall would have to weigh at least 56.9 pounds (25.8 kg) ( BMI = 17.9) to be considered overweight, and a 13-year-old girl who is 5 feet, 3 inches (160 cm) tall would be considered obese […]

What can I use for main water line?

What can I use for main water line? PVC is an acronym that stands for polyvinyl chloride. Of the different types of plastic pipe used for water supply, PVC has a wide variety of plumbing uses, from drainage pipe to water mains. It is most commonly used for irrigation piping, home, and building supply piping. […]

How often should I run intervals?

How often should I run intervals? Watson suggests keeping the frequency at once per week for both and try to — at the very least — leave at least two days between intervals and long runs. “Otherwise, you may overdo it and suffer from burnout, fatigue or injury,” he says. “This will also allow your […]

Can K-type stars support life?

Can K-type stars support life? K stars can live for 17 to 70 billion years, much longer than sunlike stars, which shine on the main sequence for only about 10 billion years. The longer lifespan of a K star would give life on an orbiting planet more time to evolve, if it ever got started. […]

What if Earth had no tilt?

What if Earth had no tilt? The tilt of Earth’s axis is the main cause of the seasons. If Earth had no tilt, then the length of daylight and the intensity of solar heating seen by a person standing at a single place on the surface would be the same all year round. What if […]

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