40. What potential difference must a proton pass in order for its speed to increase from υ1 = 1 Mm / s to υ2 = 5 Mm / s? The proton charge is Q = 1.6 ∙ 10−19 C, its mass m = 1.67 ∙ 10−27 kg.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)