Calculating Proton Speed at Points A and B with Fixed Charge -60 x 10^-9C

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The discussion focuses on calculating the speed of a proton at point B, given a fixed charge of -60 x 10^-9C located at point X and the initial speed of the proton at point A, which is 12 x 10^5 m/s. The distances from the charge to points A and B are 0.04 meters and 0.14 meters, respectively. A clarification was made regarding the charge notation, correcting it from -60j x 10^-9C to -60 x 10^-9C, addressing confusion about the imaginary unit 'j' in the context of charge.

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binhbinh
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Hi,

I'm having troubles with this problem off my lab and I'm wondering if any of you guys could help me with this one.



Suppose you have fixed charge of -60 x 10^-9C at point X. Points A and B are at distances of 0.04 meters and 0.14 meters from X, respectively.

Calculate the speed of point B of a proton that was moving to the right at point A with a speed of 12 x 10^5 m/s.


edit: fixed the problem up, was a typo.
 
Last edited:
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>fixed charge of -60j x 10^-9C at point X

What does that mean? How can charge be an imaginary number? -60jnC?
 
up, anyone?
 

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