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April 16, 2014

Homework Help: Physics

Posted by Talha on Monday, December 12, 2011 at 6:41pm.

At a certain location, the horizontal component of the earth's magnetic field is 2.3 x 10^-5 T, due north. A proton moves eastward with just the right speed, so that the magnetic force on it balances its weight. Find the speed of the proton.

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