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Physics 13 Online
lowkey:

coulumb's law part two

lowkey:

1 attachment
lowkey:

@Shadow

Shadow:

Well you'd just solve for the force in each direction then sum them.

Shadow:

Since all the numbers are the same, you'd only need to do it once.

Shadow:

\[F_{e} = \sqrt (F_{x}^2 + F_{y}^2 )\]

lowkey:

-2.048N

lowkey:

ok wth

Shadow:

Okay let me see if that's correct

lowkey:

ok i give up ily but i wanna sleep thanks

Shadow:

I got the same force, but keep in mind that's just the attractive force between Q1 and Q3 or Q2 and Q3.

Shadow:

It's just one last easy step.

lowkey:

oh so you multiply that value by two

Shadow:

We take -2.048 and then square it, then multiply it by two, since the forces in each direction are the same magnitude and direction (since they are same distance, charge, etc).

Shadow:

Then take the square root of that

lowkey:

2.896 N

Shadow:

good job, easy

Shadow:

By the way, this is my guide: https://questioncove.com/study#/updates/5ae2784b1b352b3acc334c00

Shadow:

For when the exam comes up.

lowkey:

thanks

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