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zalisa [80]
3 years ago
7

How are joules measured ?

Physics
2 answers:
saw5 [17]3 years ago
4 0

Answer:You can calculate it by finding the amount of work exerted.

Explanation:

olasank [31]3 years ago
4 0

Answer:

Explanation:

amount of work done

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What happens to an isotope that undergoes alpha decay
Gelneren [198K]

When an isotope undergoes an alpha decay it means it has too many protons. The nucleus releases the alpha particle and energy.

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4 years ago
2. A digital camera records each image as 8 megapixels, with each pixel transferring 14 bits of information. What is the minimum
Sholpan [36]

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:

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7 0
3 years ago
A furniture shop refinishes chairs. Employees use one of two methods to refinish each chair. Method I takes 0.5 hours and the ma
satela [25.4K]

Answer:

method I = 88 chairs

method II = 62 chairs

Explanation:

This problem can be modeled by a system of two linear equations.

Define x as the number of chairs refinished by method I and y by method II

The sum of hours spent on both methods should equal 199 and the sum of total material cost should equal $1226, therefore:

0.5x + 2.5y = 199

9x+7y = 1226

Multiplying the first equation by -18 and adding it to the second equation we can solve for the value of y:

9x+7y +(-9x - 45)= 1226+(-3582)\\y=\frac{2356}{38} = 62\\

We can now apply the value of y found to the first equation and solve for x:

0.5x+2.5*62 = 199\\x=\frac{199 - (2.5*62)}{0.5} = 88

Therefore, they should refinish 88 chairs with method I and 62 chairs with method II

4 0
3 years ago
Assuming that the hill on the left will provide all of the potential energy for the ride, would this roller coaster actually mak
trapecia [35]
Yes I believe it would I think the answer is D
3 0
4 years ago
What would the answer be ?
Tpy6a [65]

Answer:

im going between 2 of them b and c but i would have choose b

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3 years ago
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