What is electricity?

1 answer:

5 0

A form of energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current.

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If you could travel with speed of light (3.0e5 km/s) it would take only 2.5 minutes to reach venus. how far is venus from earth

motikmotik

D=S/T ,S=3.0e5km/s × 2.5min×60
D=4.5×e6km

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3 years ago

A mole of red photons of wavelength 725 nm has ________ kj of energy.

yuradex [85]

According to the general rules and basic knowledge of physics, without any doubds I can say that a mole of red photons of wavelength 725 nm has [D] 165 kj of energy. I converted a wavelength into energy in that way :
 $(E)= 6.023 x 10 ^23 x 6.625 x 10 ^ -34 x3 x 10^8/725x10^-9$ = $=0.1651 x10 ^ 6 J = 165 Kj.$

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3 years ago

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In Astronomy List the systems of which the Earth is part of, from smallest to largest (most inclusive)?

djverab [1.8K]

Answer:

In order from largest to smallest these terms are:

In order from largest to smallest these terms are:Universe
In order from largest to smallest these terms are:UniverseGalaxy
In order from largest to smallest these terms are:UniverseGalaxySolar system
In order from largest to smallest these terms are:UniverseGalaxySolar systemStar
In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanet
In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanetMoon
In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanetMoonAsteroid

In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanetMoonAsteroidWe can generally say that a Moon is larger than an asteroid however some moons are quite large while others are smaller than many known asteroids. Asteroids are small rocky bodies that orbit the Sun, while moons are objects that orbit planets. Jupiter and Saturn have attracted many objects out of the asteroid belt and gathered them as moons.

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2 years ago

Diamagnetic materialsA) have small negative values of magnetic susceptibility.B) are those in which the magnetic moments of all

White raven [17]

Answer:

C) experience a small induced magnetic moment when placed in an external magnetic field.

Explanation:

Diamagnetics materials are those that experience a small induced magnetic moment when placed in an external magnetic field. These materials, such as bismuth, copper, silver and lead, have elementary magnets in their compositions. When they are exposed to an external magnetic cap, these elemental magnets tend to follow an orientation contrary to the external magnetic field. As a result, a magnetic field is created in the opposite direction to the external magnetic field.

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3 years ago

Some students conduct an experiment to find out how long different rubber balls would keep bouncing before they stop, when they

DaniilM [7]

Seconds due to being time and shortest unit is seconds

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3 years ago

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