Question 147968: Pls. Help!!! I can't understand this lesson. It's called Formula Manipulation
The given:
F=mv^2/r
Then I have to solve for m, v and r.
I can't find explanations for this lesson in the net.
Please help me.
Answer by nerdybill(7384)   (Show Source):
You can put this solution on YOUR website! You are given:
F=mv^2/r
.
and you needed to solve for m, v, and r.
This means that they want you to "isolate" each (m, v, r) to one side of the equal sign (doesn't matter which side).
.
For 'm':
F=mv^2/r
multiply both sides by 'r':
rF=mv^2
divide both sides by v^2:
(rF)/v^2=m
.
For 'v':
F=mv^2/r
divide both sides by 'm':
F/m=v^2/r
multiply both sides by 'r':
(Fr)/m=v^2
take the square root of each side:
sqrt[(Fr)/m]=v
.
For 'r':
F=mv^2/r
multiply both sides by r:
rF=mv^2
divide both sides by F:
r=(mv^2)/F
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