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**1. Homework Statement**

Find the charge and current distributions for

V(r,t)=0 A(r,t) = -1/(4*pi*epsilon) q*t/r^2 r-hat

**2. Homework Equations**

We know

E=1/(a*pi*epsilon) q/r^2 rhat

B = 0

**3. The Attempt at a Solution**

What formula do I use?

We know grad x B = mu*J +mu*epsilon dE/dt

Would this suffice to solve for J?

What about rho?