# Physics

The electric field at the surface of a uniformly charged sphere of radius 6.0cm is 90 kN/c .

1. 👍 0
2. 👎 0
3. 👁 298
1. Enough with your name changes.
Use Gauss' Law

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics

An electron starts from rest 3cm from the center of a uniformly charged sphere of radius 2 cm. If the sphere carries a total charge of 1x10^-9C, how fast will the electron be moving when it reaches the surface of the sphere?

asked by Anonymous on February 11, 2008
2. ### physics

A point charge of 2.4 μC is located at the center of a spherical shell of radius 17 cm, which has a charge −2.4 μC uniformly distributed on its surface. Given: ke = 8.98755 × 109 Nm2/C2 . a)Find the electric field for all

asked by alex on September 19, 2011
3. ### Physics

An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. The charges on the inner and outer surfaces of the shell are respectively... a] -q,-q b]+q, +q c]-q, +q d]+q,0 e]+q, -q 2) A postive point

asked by John on February 10, 2011
4. ### Physics

A hollow metal sphere has inner and outer radii of 20.0 cm and 30.0 cm, respectively. As shown in the figure, a solid metal sphere of radius 10.0 cm is located at the center of the hollow sphere. The electric field at a point P, a

asked by Matt on January 29, 2015
1. ### Science: Physics

A spherical metal dome of radius 15 cm is electrically charged. It has a positive charge of +2.5 μC distributed uniformly on its surface. a. Calculate the electric field strength on the surface of the dome. b. Explain how your

asked by Ink on October 16, 2011
2. ### physics

a positive point charge q sits at the center of a hollow spherical shell. The shell, with radius R and negligible thickness, has net charge -2q. find an expression for the for the electric field strength (a) inside the sphere, rR.

asked by jerry on September 16, 2009
3. ### Phy

A non conducting sphere of radius r charged uniformly with surface charge density sigma rotates with angular velocity omega about the axis passing through its centre. Find the magnetic induction at the centre of sphere.

asked by Atharva Mandlik on June 22, 2017
4. ### physics

A uniformly charged disk of radius 35.0 cm carries a charge density of 6.70 multiplied by 10-3 C/m2. Calculate the electric field on the axis of the disk at the following distances from the center of the disk. (a) 5.00 cm

asked by Anonymous on January 27, 2013
1. ### physics

Two point charges lie on the x axis. A charge of 6.2μC is at the origin, and a charge of -9.5μC is at x=10.0cm. What is the net electric field at (a) x=−4.0cm and at (b) x=+4.0cm?

asked by afton on January 30, 2014
2. ### 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

asked by Samantha on March 6, 2015
3. ### physics

(a) How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 30.0 cm in diameter to produce an electric field of 1150 N/C just outside the surface of the sphere? (b) what is the

asked by J on January 27, 2008
4. ### physics

A uniformly charged conducting sphere of 1.2 m diameter has a surface charge density of 7.1 µC/m2. (a) Find the net charge in coulombs on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

asked by Ty on January 29, 2011