# physics

Two ping pong balls each have a mass of 1.4 grams and carry a net charge of 0.450uC. one ball is held fixed. at what height should the second ball be placed directly above the fixed ball if it is to remain at rest there?

1. 👍 0
2. 👎 0
3. 👁 178

## Similar Questions

1. ### physics

Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 3527 kg), which is made of steel (ρ = 7850 kg/m^3). In typical comic-book fashion, they decide to raise the yacht (which is now on the bottom of a lake) by

asked by maria on March 21, 2012
2. ### physics

Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 4843 kg), which is made of steel (ρ = 7850 kg/m3). In typical comic-book fashion, they decide to raise the yacht (which is now on the bottom of a lake) by

asked by melisa on October 25, 2011
3. ### Physics

Two ping-pong balls each have a mass of (1.4x10^0) g and carry a net charge of (3.99x10^0) μC. One ball is held fixed. At what height should the second ball be placed directly above the fixed ball if it is to remain there?

asked by John on September 7, 2014
4. ### Maths

Asmo is putting some ping pong balls into 10 boxes. In each of the boxes, number of ping pong balls shall not be less than 11, not equal to 17 and is not the multiple of 6. If the number of ping pong balls are different in each

asked by Vault boy on November 12, 2016
5. ### Physics

Two Ping-Pong balls each have a mass of 2.6g and carry a net charge of 0.500ìC . One ball is held fixed. At what height should the second ball be placed directly above the fixed ball if it is to remain at rest there? Express your

asked by James on January 24, 2014
6. ### Math

A bag contains a set of ping pong balls numbered from 1 to 12. If you reach in and randomly pull out 3 of them, what is the expected value of the sum of the numbers on the 3 ping pong balls? Thanks :)

asked by Parul on March 20, 2013
7. ### physics

Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 4843 kg), which is made of steel (ρ = 7850 kg/m3). In typical comic-book fashion, they decide to raise the yacht (which is now on the bottom of a lake) by

asked by maria on October 26, 2011

Let's begin with a rather straightforward lottery in which players select four digits. The winning number is commonly selected in the following fashion: 10 Ping Pong balls (each with a digit 0 through 9 written on it) are placed

asked by Samantha on November 14, 2013
9. ### Physics

if you had two ping pong balls (or golf balls, or tennis balls), both carrying the maximum possible positive electrical charge, and you also had insulating gloves that allowed you to pick them up without being shocked, would you

asked by Amber on March 29, 2012
10. ### physics Dx

Compute the de Broglie wavelength associated with a ping-pong ball that is moving with a velocity of 4 meters per second. The mass of the ping-pong ball is 20 grams

asked by kyra on March 9, 2011

More Similar Questions