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tjk447963
Joined: 28 Dec 2009
Posts: 17
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 Posted: Tue Feb 23, 2010 12:44 am Post subject: |
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| Can you explain why having the same initial velocity means that the argon cation and electron experience the same force? |
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mcat_premed3832
Joined: 19 Oct 2006
Posts: 413
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| Posted: Tue Feb 23, 2010 12:46 pm Post subject: |
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| Actually, because the electrodes are oppositely charged and those charges are always balanced, it would have been more accurate to say in the explanation that the force is the same because of exposure to the balanced oppositely charged electrodes. |
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morganzee6964
Joined: 12 May 2010
Posts: 3
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| Posted: Sun May 30, 2010 2:46 pm Post subject: |
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I just wanted to inform anyone else reading this that:
THE WORK DONE ON A CHARGED PARTICLE:
The electric force can do work on the particle. (provide a force and thus create an acceleration)
The MAGNETIC force cannot do work and change the kinetic energy of the charged particle (a magnetic force can change the direction of a particle, but not its speed) |
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