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I'm trying to find the mass of an unknown ion and I think the equation I'm down to to find the mass only requires me to determine the velocity before I can calculate mass -- but I don't know how.

Could anyone help me out and direct me to an equation(s) that would help me find the velocity of some ion given that it was accelerated through a potential difference of 7.0 kV before entering a magnetic field? I'm not familiar with how to find the velocity with just that info. Don't know if this would be relevant, but B=1.2 T.

Sorry, I'm just clueless. (Don't even know if it is possible to calculate velocity with that... if it's not, please tell me ^^;) Thank you.

Could anyone help me out and direct me to an equation(s) that would help me find the velocity of some ion given that it was accelerated through a potential difference of 7.0 kV before entering a magnetic field? I'm not familiar with how to find the velocity with just that info. Don't know if this would be relevant, but B=1.2 T.

Sorry, I'm just clueless. (Don't even know if it is possible to calculate velocity with that... if it's not, please tell me ^^;) Thank you.

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