## anonymous 5 years ago F=kmn/r^2 How do I solve for M

1. anonymous

F = kmn/r^2 multiply both side by r^2 so you can get rid of the r^2 on the bottom r^2F = kmn divide by kn to get M by itself r^2F ---- = m kn That is if the r^2 is under the entire kmn kmn ---- r^2

2. anonymous

that is correct it is under the entire kmn so the answer is r^2F/kn

3. anonymous

so if it is F=-kmn/r^2 my answer would be - R^2F/kn

4. anonymous

yes

5. anonymous

Okay that was easier than I thought. Thank you so much for the help

6. anonymous

Rouault are you still here?

7. anonymous

yes

8. anonymous

$\sqrt{3y+4=4}$ the solution is y= ?

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