A 3.3 cm -diameter isolated metal sphere carries a net charge of 0.81 µC Part A What is the potential at the sphere's surface? Express your answer using two significant figures. VO AE V = kV Submit Request Answer • Part B If a proton were released from rest at the sphere's surface, what would be its speed far from the sphere? Express your answer using two significant figures. ? m/s

A 3.3 cm -diameter isolated metal sphere carries a net charge of 0.81 µC Part A What is the potential at the sphere's surface? Express your answer using two significant figures. VO AE V = kV Submit Request Answer • Part B If a proton were released from rest at the sphere's surface, what would be its speed far from the sphere? Express your answer using two significant figures. ? m/s