(25 points) An amount of charge Q is uniformly distributed along a semi-circle of radius R whose center is at the origin. Find the electric potential function at the point x=a assuming the value of the electric potential at infinity is zero.
3.25 points) An amount of charge Q is uniformly distributed along a semi-circle of radius R whose center is at the origin. Find the electric potential function at the point r =a assuming the value of the electric potential at infinity is zero.
x=a
Law