home > q&a board > physics > topic: help please

Q BgQuestion:

Rookie
Karma Points: 0
Respect (100%):
posted by  adja on 5/12/2007 12:19:12 AM  |  status: Live  

help please

Course Textbook Chapter Problem
Calculus Based Physics Fundamentals of Physics Extended (7th) by Halliday, Resnick, Walker 24 68AP
Question Details:
What is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 1.0 cm and a uniformly distributed charge of 1.6 × 10–15 C? That is, what initial speed must the electron have in order to reach an infinite distance from the sphere and have zero kinetic energy when it gets there?

AAnswers:

Answer Question
Oracle
Karma Points: 18,053
posted by ryguy on 5/12/2007 11:25:47 AM  |  status: Live
Asker's Rating: Lifesaver   
adja's comment:
"thanks!"
Response Details:
 
--------->PLEASE RATE MY POST!<-----------
              
          
Answer Question
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different than tutoring »

Need Help In

Useful Links