Recent content by Zimtstange

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    How Does a Hard Disc Drive's Magnetic Field Affect an Electron's Motion?

    Homework Statement I don't quite understand the following question, i get a very unrealistic result... The write head of a hard disc drive produces a magnetic field of 95mT. The disc has a radius of 3.5 inches and rotates at 7200 rpm (rotations per minute). Calculate the Lorentz force...