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Phy 242

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More Test 3 Questions

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An electron (mass 9.11 * 10^-31 kg) with velocity directed to the North passes through a magnetic field of .0019 Tesla directed vertically upward, crossed with an electric field of 63000 N/C directed either East or West. The electron passes through undeflected. Is the electric field directed East or West, and how fast is the electron moving? What force does the electron experience from each field?

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How do I solve this without having an r value?

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The electric field is constant between the capacitor plates.

You have all the information you need to find the forces exerted by the two fields in terms of the velocity.

This is an introductory problem set situation. Note that you are expected to have completely mastered those sets. This is especially important since problems from those sets do appear on your tests.

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