Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . The potential difference between the anode and cathode is 220 V . An electron leaves the surface of the cathode with zero initial speed ( vinitial=0 ). Find its speed vfinal when it strikes the anode. Express your answer numerically in meters per second. View Available Hint(s)for Part A Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type vfinal = nothing m/s

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