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natulia [17]
4 years ago
14

How many electrons are in a 3 coulombs charge?

Physics
2 answers:
Alinara [238K]4 years ago
5 0

Here is your answer

\bold {1.875 × {10}^{19} electrons}

REASON:

We know that

No. of electrons in 1 coulomb charge =6.25 × {10}^{18} electrons

So,

No. of electrons in 3 coulomb charge=3 × 6.25 × {10}^{18} electrons

=18.75× {10}^{18} electrons

= 1.875 × {10}^{19} electrons

HOPE IT IS USEFUL

Dima020 [189]4 years ago
3 0

One electron has a charge equivalent of 1.6x10^-19 coulomb. This is written as 1.6x10^-19 C = 1 electron so times that by 3 and there is your answer hope this helped

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Answer:

40N

Explanation:

Since both weights are connected to one string, you can say that the tensions above each are equal to each other.

If you do the sum of forces for the 4kg mass, then the tension comes out to 40N (if we take gravity to be 10m/s²). But that seemed too good to be true, so I decided to do the work for the 7kg mass as well [which included finding the normal force (N) and plugging it into the sum of forces for the 7kg mass] to find that it also gives 40N as the answer.

If I were to put my process into steps:

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  2. Set them equal to each other to find normal force (because this is the only unknown)
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*This all seems to line up perfectly, but do let me know if my answer doesn't match up with what you might find to he the answer later on.

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2. A digital camera records each image as 8 megapixels, with each pixel transferring 14 bits of information. What is the minimum
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Given what we know, we can confirm that due to its relatively low image quality, any memory card with at least one MB will be sufficient to hold the 120 images taken.

<h3>Why is one MB enough?</h3>

The photos are taken at 8 megapixels, with each one occupying 14 bits of information. A megabit consists of one million bits of potential storage. Therefore, the 120 pictures will occupy roughly 1% of the available storage of a 1 MB memory card.


Therefore, we can confirm that due to its relatively low image quality, any memory card with at least one MB will be sufficient to hold the 120 images taken.

To learn more about megabits visit:

brainly.com/question/22735284?referrer=searchResults

7 0
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