The electric field on the axis of a uniformly charged ring has magnitude 350 kN/C at a point 5.8 cm from the ring center. The magnitude 20 cm from the center is 150 kN/C: in both cases the field points away from the ring. Part A Find the ring's radius. Express your answer using two significant figures. ? R= Submit Request Answer Part B Find the ring's charge. Express your answer using two significant figures.

The electric field on the axis of a uniformly charged ring has magnitude 350 kN/C at a point 5.8 cm from the ring center. The magnitude 20 cm from the center is 150 kN/C: in both cases the field points away from the ring. Part A Find the ring's radius. Express your answer using two significant figures. ? R= Submit Request Answer Part B Find the ring's charge. Express your answer using two significant figures.