Solving a problem in physics section 17 paragraph 35 el

Solving a problem in physics section 17 paragraph 35 el

35. motes mass m = 20 g, bearing the charge q = 40 nC, flew into the electric field in the direction of the field lines. After passing through a potential difference U = 200 V speck had speed υ = 10 m / s. Determine the speed υ0 speck before it flew into the field.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)