Two spheres with uniform surface charge density, one with a radius of 7.0 cm and the other with a radius of 4.7 cm, are separated by a center-to-center distance of 38 cm. The spheres have a combined charge of +55μC and repel one another with a force of 0.72 N. Assume that the charge of the first sphere is greater than the charge of the second sphere. Part A What is the surface charge density on the sphere of radius 7.0? Express your answer using two significant figures. ΨΕΙ ΑΣΦ 01 = Submit Request Answer Part B What is the surface charge density on the second sphere? Express your answer using two significant figures. 15. ΑΣΦ 02 = Submit ? Request Answer ? C/m² C/m²

Two spheres with uniform surface charge density, one with a radius of 7.0 cm and the other with a radius of 4.7 cm, are separated by a center-to-center distance of 38 cm. The spheres have a combined charge of +55μC and repel one another with a force of 0.72 N. Assume that the charge of the first sphere is greater than the charge of the second sphere. Part A What is the surface charge density on the sphere of radius 7.0? Express your answer using two significant figures. ΨΕΙ ΑΣΦ 01 = Submit Request Answer Part B What is the surface charge density on the second sphere? Express your answer using two significant figures. 15. ΑΣΦ 02 = Submit ? Request Answer ? C/m² C/m²