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dlinn [17]
3 years ago
10

Ohm's law states a relationship between voltage, current, and charge. that less current flows when a higher voltage is applied.

that for constant voltage, a greater resistance means more current will flow. that the current in a circuit increases if the potential difference increases.
Physics
1 answer:
ahrayia [7]3 years ago
4 0

Answer:

Explanation:

According to Ohm's law: If the temperature of a conductor remains constant, then the current flowing through the conductor is directly proportional to the potential difference applied across the conductor.

V =  I R

where, v is the potential difference, I be the current and R be the resistance

So, when the potential difference increases, the current flowing through the conductor also increases.

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It makes calculations with very large and small numbers easier.

Scientific notation is a system used in order to It makes calculations with very large and small numbers easier. It is useful as it allows very large number that would take a lot of space to write otherwise, and it allows them to be calculated easier. 10^{23} for example is a incredible large number, but written in this form is immediately understandable and useful for calculation.

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Consider two children sitting on a merry-go-round, with one closer to the outer edge and one closer to the center. show answer N
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Answer:

They both have the same angular speed.

Explanation:

The mathematical formula for angular speed is:

w=\frac{2\pi}{T}

where w is angular speed, 2\pi is a constant, and T is the period (the time it takes the marry-go-round to complete a lap).

What we can see from the formula is that, since the 2\pi does not change its value, the angular speed depends only on the period T.

In this case for both the children closer to the outher edge and for the children closer to the center, the time to complete a lap is the same, because the time does not depend on where they are sitting in the marry go round. This means that the period for both is the same.

Thus, since the period for both is the same, the angular speed given by

w=\frac{2\pi}{T} will also be the same

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Consider two celestial objects with masses m1 and m2 with a separation distance between their centers r. If the first mass m1 we
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The new magnitude of the force of attraction will be 6 times the original force of attraction

<h3>How to determine the initial force </h3>
  • Mass 1 = m₁
  • Mass 2 = m₂
  • Gravitational constant = G
  • Distance apart = r
  • Initial force (F₁) = ?

F = Gm₁m₂ / r²

F₁ = Gm₁m₂ / r²

<h3>How to determine the new force </h3>
  • Mass 1 = 2m₁
  • Mass 2 = 3m₂
  • Gravitational constant = G
  • Distance apart (r) = r
  • New force (F₂) =?

F = Gm₁m₂ / r²

F₂ = G × 2m₁ × 3m₂ / r²

F₂ = 6Gm₁m₂ / r²

But

F₁ = Gm₁m₂ / r²

Therefore

F₂ = 6Gm₁m₂ / r²

F₂ = 6F₁

Thus, the new magnitude of the force of attraction will be 6 times the original force of attraction

Learn more about gravitational force:

brainly.com/question/21500344

#SPJ1

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Which of the following must be true for “P if and only if Q” to be true?
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Explain or message me what your trying to ask!

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