Question: the potential function is: = Q 4 r Bxr 3 phi = - frac { Q } { 4 pi r }

the potential function is:
=Q4rBxr3\phi =-\frac{Q}{4\pi r}-\frac{B x}{r^3}=4rQr3Bx
Specify the governing equation and boundary conditions for the potential functions and pressure p. b) the given potential function due to the sphere moving horizontally and expanding in fluid find B, and determine .Calculate the pressure on the bubble surface d) Calculate the drag force and physically interpret the contributions to the drag force.

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