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Lunna [17]
3 years ago
9

What is DC in electricity mean?

Physics
1 answer:
Stels [109]3 years ago
8 0

Answer:

Direct Current

Explanation:

The electricity only flows in one direction.

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A car traveling 26 m/s starts to decelerate steadily. It comes to a complete stop in 13 seconds. What is it's acceleration. ___m
V125BC [204]
To find acceleration you subtract the final velocity and subtract it from the initial velocity and you divide the difference by the total time.

so you take the final velocity which is 0 m/s because the car comes to a complete stop.

then you subtract that from the initial which is 26 m/s

in other words:

0m/s - 26 m/s = -26 m/s

then you divide it by the total time which is 13 s

-26 m/s / 13 s

so you get

-2 m/s^2
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Why do hydrogen and oxygen bond?
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Hydrogen and oxygen bond because when more molecules are present, as is the case with liquid water, more bonds are possible because the oxygen of one water molecule has two lone pairs of electrons, each of which can form a hydrogen bond with a hydrogen on another water molecule.
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Charge q is 1 unit of distance away from the source charge S. Charge p is four times further away. The force exerted between S a
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The correct answer is:

sixteen times


In fact, the distance between charge q and the source S is 1 unit. Instead, the distance between charge p and the source S is 4 units. The magnitude of the electrostatic force is inversely proportional to the square of the distance between the charge and the source:

E \sim \frac{1}{r^2}

where r is the distance. If we take the force between q and S as reference, we have r=1, so that

E_{qS}=\frac{1}{1^2}=1

while the force between p and S is

E_{pS}=\frac{1}{4^2}=\frac{1}{16}

Therefore, we see that the force exerted between q and S is 16 times the force exerted between p and S.

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3 years ago
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