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bb.minhtri

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## Homework Statement

A stable uncharged particle is break into 2 parts of mass m, one of which is charged -2Q. The two parts then go in the direction perpendicular to a uniform magnetic field B. After what time will the particles collide?

## Homework Equations

## The Attempt at a Solution

I suppose the time to be the period of one revolution of each particle, which leads to the result ∏m / BQ. Is that correct?

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