posted by .

A spherical surface has a radious of .150 meters. A charge of +85.0 uC is placed on the sphere.
A. decribe what happens to the electric potential of a -5.0 pC charge that is moved from a very far distance from the sphere to a point 0.100 meters away from the sphere.
B. Decribe what happens to the electrical potential energy of the -5.0 p

Describe? Goodness

a) potential= kQ/r where r=.250microC

b) don't know, question incomplete.

B. Decribe what happens to the electrical potential energy of the -5.0 pC charge as it is moved the distance described in A.

## Similar Questions

1. ### physics

1.) A small sphere of charge 2.4 μC experience a force of 0.36 N when a second sphere of unknown charge is placed 5.5 cm from it. What is the charge of the second sphere?
2. ### Physics

3. A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved?
3. ### Physics

A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved?
4. ### Physics

A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved?
5. ### PHYSICS

The electric field everywhere on the surface of a thin, spherical shell of radius 0.710 m is measured to be 860 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface?
6. ### physics

The electric field everywhere on the surface of a thin, spherical shell of radius 0.710 m is measured to be 860 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface?
7. ### physics

a solid copper sphere 10 mm in diameter has a positive charge arising from the removal of one electron from each 10^12 copper atoms. determine the net charge on the sphere, the electric field strength and electric potential at the …
8. ### physics

A charge q1 is inside a spherical surface (although not necessarily at the exact center of the sphere). A second charge q2 sits just outside the surface. Choose whether the following statements are true or false. T/F The total electric …
9. ### Physics

A 4.70 nC point charge is placed at the centre of a hollow metal sphere that has an inner radius 4.70 cm and an outer radius 17.6 cm. The metal sphere itself is charged to 8.40 nC. a)What is the magnitude of the electric field at a …
10. ### physics

A negative point charge, q, is placed near a positive charge, Q. The distance between the charges increases as q is moved farther from Q. Which quantity will decrease as q is moved away?

More Similar Questions