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April 20, 2014

Homework Help: physics

Posted by Anonymous on Thursday, April 25, 2013 at 1:33am.

A proton moves perpendicularly to a magnetic field that has a magnitude of 1.22×10−2
T.
The charge on a proton is 1.60×10−19 C.
What is the speed of the particle if the
magnitude of the magnetic force on it is 4.79×
10−14N?
Answer in units of m/s

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