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I would like to ask, how can i resolve this task:

electron is moving inside the magnetic field with density 0.002 T on the shape of screw with radious 2 cm (centimeters) and height of screw 5 cm. What is electron's speed? The result is 7.6 Mm/s but im trying to see how do i get this result?

Thank you for formulas and tips.

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# Homework Help: Magnetic Field

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