An electron is traveling east with an instantaneous velocity of 3.3 × 105 m/s when it enters a uniform magnetic field of 0.25 T that points X degrees north of east. (Take east as to the right of the paper and north as toward the top of the paper, i. e., both in the plane of the paper.) If the magnitude of the force on the electron is 5.5 × 10–15 N, then calculate the angle X and whether the electron moves up out of or down into the plane of the page, or otherwise.
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Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
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You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
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An electron is traveling east with an instantaneous velocity of 3.3 × 105 m/s when it enters a unifo...
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