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posted by  Gettinthatfosho on 11/3/2009 3:58:54 PM  |  status: Closed  |  Earned Karma: 30

Velocity Need Help please.

Course Textbook Chapter Problem Needs by
N/A N/A N/A N/A 11/4/2009 at 10:00:00 AM
Question Details:
Ball 1, with a mass of 140 g and traveling at 15.0 m/s, collides head on with ball 2, which has a mass of 320 g and is initially at rest.
What are the final velocities of each ball if the collision is perfectly elastic?
  (v_{{\rm f}x})_{1}  =-5.87 m/s
Correct
my answers

Part B
  (v_{{\rm f}x})_{2}  =
 m/s
One attempt remaining; Try Again
The answer is not 0, 4.56, or 5.78.
submitmy answersshow answer

Part C
What are the final velocities of each ball if the collision is perfectly inelastic?
  (v_{{\rm f}x})_{1}  =4.57 m/s
Correct
my answers

Part D
  (v_{{\rm f}x})_{2}  =4.57 m/s
Correct
Tags: Physics
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(SME)
posted by JamesD on 11/3/2009 4:08:57 PM  |  status: Live
Asker's Rating: Lifesaver   
Response Details:
I hope this helps! Best of luck with the rest of your coursework.
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