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An electron is traveling at 4.35 Times 104 ntfs in the horizontal plane. It ente

ID: 1989305 • Letter: A

Question

An electron is traveling at 4.35 Times 104 ntfs in the horizontal plane. It enters a region of space in which there is a magnetic field of strength 0.090 T also directed horizontally, specifically pointing 20 degree South of West. The electron feels a force of 4.43 Times 10-16 N directed vertically up upon entering the region of magnetic field. Ignore gravity. Find the two possible directions that the electron could be traveling and meet the above conditions. Be specific in defining the directions.

Explanation / Answer

orce = q X (V X B) bold=>vectors consider magnitudes 4.43 * 10-16 = -1.69*10-19 X 4.35*104 X 0.09 Sin? Sin? =1.13 so there must be some mistake...

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