1. The problem statement, all variables and given/known data A flow field is described by |V| = f(r) ; x^2 + y^2 = c (streamlines) What form must f(r) have if continuity is to be satisfied? Explain your results. 2. Relevant equations equation of continuity: div V = d(ur)/dr + (ur)/r = 0 where (ur) is the radial velocity 3. The attempt at a solution I manipulated the continuity equation to be... -d(ur)/(ur) = dr/r Then I integrated both sides and got... 1/(ur) = r Now I'm not sure what to do next or if i'm even on the right path. Can someone that understands this problem give me a hint?