- #1

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How do you rearrange a formula to isolate a particlur variable.

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- Thread starter soulja101
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- #1

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How do you rearrange a formula to isolate a particlur variable.

- #2

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What do you mean ? Give an example.

Daniel.

Daniel.

- #3

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Like they give a forumula and they ask to isolate like v for example.

- #4

Gib Z

Homework Helper

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Assuming you mean something simple, basically if we want to isolate v, we take all the things with a v to one side of the formula, and everything else on the other side. If there are common factors, cancel them out. If it is still not plain v, say v^2, then we cancel that out with a square root, we've got v. But thats not a very good explanation. Give us an example and we'll tell you how to do that one.

- #5

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Say you have

1/2mv^2 = mgh

To get velocity by itself. We first times each side by 2. This gets rid of the half.

mv^2 = 2mgh

Then we divide by mass and the masses cancel out.

v^2 = 2gh

Then we square root each side because it is v^2, and to get a powered number/variable by itself we must square root it.

v = sqrt(2gh)

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