Asked by Shawn
Solve w= (va)/(r^2+a^2) for a.
is the answer a= sqrt[w(r^2+v^2)/v]?
is the answer a= sqrt[w(r^2+v^2)/v]?
Answers
Answered by
bobpursley
wr^2 + wa^2 - va=0
a^2 -v/w a -wr^2=0
Now apply the quadratic formula
a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2
check my thinking.
a^2 -v/w a -wr^2=0
Now apply the quadratic formula
a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2
check my thinking.
Answered by
Shawn
I have the answer as a= (v+/- sqrt[v^2+4w^2r^2]/w
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