Monday
September 15, 2014

Homework Help: Physics

Posted by Wayne on Tuesday, September 3, 2013 at 7:17pm.

What must the charge (sign and magnitude) of a particle of mass 1.48g be for it to remain stationary when placed in a downward-directed electric field of magnitude 670N/C ?

What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight?

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