Find with what velocity must an electron be fired

Reference no: EM13508161

At the equator the Earth's magnetic field has a direction horizontal with respect to the ground and toward the north with a magnitude of 5.0 x 10^-5 T. Suppose that the Earth's atmospheric electric field is 100 V/m directed vertically down. With what velocity (magnitude and direction) must an electron be fired if the magnetic force is to cancel the electric force?

Reference no: EM13508161

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