To form a hydrogen atom, a proton is fixed at a point and an electron is...

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To form a hydrogen atom, a proton is fixed at a point and an electron is brought from far away to a distance of 0.529 x 10-10 m, the average distance between proton and electron in a hydrogen atom. How much work is done by the electric field (in 3)? + A 0.660 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly distributed 25.0 pC charge on its surface. What is the potential (in V) near its surface? x v Additional Materials Reading A charge 91 +1.62 C is at a distance d = 1.13 m from a second charge q2 = -5.47 c. 91 92 (a) Find the electric potential at a point A between the two charges that is 3d/4 from q. Note that the location A in the diagram above is not to scale. (b) Find a point between the two charges on the horizontal line where the electric potential is zero. (Enter your answer as measured from q.) m To form a hydrogen atom, a proton is fixed at a point and an electron is brought from far away to a distance of 0.529 x 10-10 m, the average distance between proton and electron in a hydrogen atom. How much work is done by the electric field (in 3)? + A 0.660 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly distributed 25.0 pC charge on its surface. What is the potential (in V) near its surface? x v Additional Materials Reading A charge 91 +1.62 C is at a distance d = 1.13 m from a second charge q2 = -5.47 c. 91 92 (a) Find the electric potential at a point A between the two charges that is 3d/4 from q. Note that the location A in the diagram above is not to scale. (b) Find a point between the two charges on the horizontal line where the electric potential is zero. (Enter your answer as measured from q.) m