Mathematics
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OpenStudy (vianne):
Which literal equations are equivalent to m = W/g?
Choose all answers that are correct.
A. g = W/m
B. g = m/W
C. W = mg
D. W = m/g
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OpenStudy (anonymous):
you have replied enough there and now come back. :P
OpenStudy (anonymous):
\[m = \frac{W}{g} \]
OpenStudy (vianne):
:33 Was having a little break. ;)
OpenStudy (vianne):
Anyways, I don't get how to solve this problem?
OpenStudy (anonymous):
Don't let this break become "Permanent".. :P \(\dagger\).
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OpenStudy (anonymous):
In your answer options, either you have \(g\) or you have \(W\) in left hand side? Right?
OpenStudy (vianne):
:P Getting spammed with notifications. ;-;
OpenStudy (vianne):
I thought it was right.. Since.. m is on the left side of the equal sign..
OpenStudy (anonymous):
So, we do it first for \(g\).
OpenStudy (vianne):
k
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OpenStudy (anonymous):
you have :
\[m= \frac{W}{g}\]
If you will multiply by \(g\) on both the sides, then what will you get?
OpenStudy (vianne):
mg and wg right?
OpenStudy (anonymous):
\(mg\) on left is right but think it again do you really get \(wg\) on right?
OpenStudy (vianne):
Erm.. No, because you have W dividing g?
OpenStudy (anonymous):
What about the other \(g\) which you have in denominator? why you don't like that \(g\) ?
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OpenStudy (anonymous):
When you will multiply by \(g\) on both sides, you will have something like this:
\[m \color{green}{\times g} = \frac{W}{g} \color{green}{\times g}\]
OpenStudy (anonymous):
Right?
OpenStudy (vianne):
right
OpenStudy (anonymous):
Don't you think \(g\) and \(g\) will cancel out?
OpenStudy (anonymous):
\[m g = \frac{W}{\cancel{g}} \times \cancel{g}\]
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OpenStudy (vianne):
Was going to write a stupid reply. :P "H is going to be next for g x g"
OpenStudy (anonymous):
Hooray..!! I was doing it for \(g\) but we have luckily found \(W\).
So, \(W = mg\) agree?
OpenStudy (vianne):
Yep
OpenStudy (anonymous):
Sorry, look at your answer option again, you have written something wrong there.
OpenStudy (anonymous):
Both C and D options are one and the same, check that again.
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OpenStudy (vianne):
heh... C. W = mg ;3
OpenStudy (vianne):
I accidently typed it wrong..
OpenStudy (anonymous):
So, one correct option we have found, okay?
OpenStudy (vianne):
k
OpenStudy (vianne):
This keyboard sucks..
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OpenStudy (anonymous):
Now you have :
\(mg = W\)
Now, tell me what will you get when you divide by \(m\) both the sides?
OpenStudy (vianne):
You'd get W/m and m/g
OpenStudy (anonymous):
Then what are you waiting for, take them and enjoy.. :P \(\dagger\).. :P
OpenStudy (anonymous):
Wait.
OpenStudy (anonymous):
m/g ??
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OpenStudy (vianne):
um..
OpenStudy (anonymous):
How about breaking that keyboard? :P
OpenStudy (vianne):
I'm using my older brother's keyboard..
OpenStudy (vianne):
So it'd be A. g = W/m right?
OpenStudy (anonymous):
Right.
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OpenStudy (vianne):
because if you do m divide m = crossed out
so you'd only have g left.
OpenStudy (anonymous):
And ?
OpenStudy (anonymous):
A and??
OpenStudy (vianne):
And and and C
OpenStudy (anonymous):
make sure C is W = mg. and not W = m/g. Okay?
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OpenStudy (vianne):
Okay, I editted the question so it'd look like W = mg ;0
OpenStudy (vianne):
Next Question Shall Be On Another Post... Because.. I want to double check something.. With you.
OpenStudy (anonymous):
Sure, you can triple check also, if you want. :P