Number of electrons on charged sphere

AI Thread Summary
To determine the number of electrons on a sphere charged to -5x10^-6 C, divide the total charge by the charge of a single electron, which is -1.6x10^-19 C. This calculation reveals that there are approximately 3.125x10^13 electrons on the sphere. The discussion briefly shifts to a humorous note about the cost of CDs, with a mention of having $1,250 to purchase them. However, the primary focus remains on the calculation of electrons related to the charged sphere. The conversation highlights both a scientific inquiry and a light-hearted commentary on finances.
srhly
Messages
17
Reaction score
0
Can anyone help me with this question. A sphere is charged with electrons to -5x10^-6 C. The charge of an electron is -1.6x10^-19 C. How many electrons are there on the sphere?
 
Physics news on Phys.org
A CD costs $5. If you have $1,250 how many CDs can you buy? :)
 
damn. I wish i had that much money to blow on cd's
 
actually, i wish i had that much money to blow on anything.
 
dave,

It's a hypothetical question with the operative word being if! ;)
 
Thread 'Collision of a bullet on a rod-string system: query'
In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
Back
Top