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cfrench84
cfrench84 cfrench84
  • 08-02-2017
  • Physics
Answered

When an ion accelerates through a potential difference of 2160 V its electric potential energy decreases by 3.46×10−16 J . What is the charge on the ion?

Verified Answer :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 18-02-2017

We do as follows:

energy = charge x voltage change .

Let q be the charge then E = q V 

and solving for q we have
 
q = E / V = -1.37e-5J / 2850V = -4.81x10-9 C

Hope this answers the question. Have a nice day.

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