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2 years ago

Why is the SI system a consistent system?

2 answers:

7 0

S.I. System is same for all countries, so if any Scientist uses it, then another Scientist from any place around the world can figure it out, that what is he saying, how exactly is the magnitude of the object. That's why it is a Consistent system

Hope this helps!

ELEN [110]2 years ago

6 0

The SI system or System Internationale is measuring system used around the world with the exception of some previous dominions of the United Kingdoms.

The units used to meaure fields, like distance is measured in meters (m), translate to all languages with shortcase symbols and the actual unit word having no variency.

For example :
The unit for luminous intensity in English is candela (cd)
In French the words for luminous intensity is "Intensité lumineuse," however the unit is still candela (cd)

SI units are also used as the main components of derived units such as Newtons (N), Omhs (Ω)

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What are 2 ways that we can express to show our connection to our culture

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Answer:

Food, clothes, language, and belief

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2 years ago

How long does it take electrons to get from

OlgaM077 [116]

We need to find the time it takes an electron to move in the given circuit.

The time taken for electrons to reach the starting motor from the battery is 60.65 minutes.

I = Current = 134 A

$N_A$ = Avogadro's number = $6.022\times 10^{23}\ \text{mol}^{-1}$

A = Area = $38.9\ \text{mm}^2$

L = Length = 92.2 cm

$\rho$ = Density of copper = $8960\ \text{kg/m}^3$

M = Molar mass of copper = 63.5 g/mol

$n_v$ = Number of valence electrons of copper = 1

e = Charge of electron = $1.6\times 10^{-19}\ \text{C}$

Number of charge carriers per unit volume is given by

$n=\dfrac{\rho N_An_v}{M}\\\Rightarrow n=\dfrac{8960\times 6.022\times 10^{23}\times 1}{63.5\times 10^{-3}}\\\Rightarrow n=8.497\times 10^{28}\ \text{m}^{-3}$

Time taken is given by

$t=\dfrac{LAne}{I}\\\Rightarrow t=\dfrac{92.2\times 10^{-2}\times 38.9\times 10^{-6}\times 8.497\times 10^{28}\times 1.6\times 10^{-19}}{134}=3638.83\ \text{s}\\\Rightarrow t=\dfrac{3638.83}{60}=60.65\ \text{minutes}$

The time taken for electrons to reach the starting motor from the battery is 60.65 minutes.

Learn more:

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1 year ago

An atomic nucleus is composed of A) protons. B) protons and neutrons. C) protons and electrons. D) protons, neutrons, and electr

In-s [12.5K]

Answer:

B) protons and neutrons.

Explanation:

The protons and neutrons are located in the nucleus of the atom and represent most of the 'mass' of the atom, that's their count that determine the 'mass' of an atom (like 12 for Carbon).

The electrons rotate around the nucleus and have a negligible mass.

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2 years ago

What has research determined about the orbit of an electron around a nucleus?

Wittaler [7]

<span>I think the correct answer from the choices listed above is the second option. The research that determined about the orbit of an electron around a nucleus would be that electrons orbit the nucleus in circular motions exactly as shown on the classic Bohr model.</span>

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2 years ago

How does the law of conservation of matter apply to chemical equations? A. The sum of the coefficients on each side of the equat

irinina [24]

The answer is letter D.

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2 years ago

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