Two$2\mathrm{.}0$gplastic buttons each with$+35$nCof charge are placed on a frictionless surface$2\mathrm{.}0$cm$($measured between centers$)$ on either side of a$5\mathrm{.}0$gbutton charged to How many interactions are there that have a potential energy?$+250$nC$.$ All three are released simultaneously. Part B What is the final speed of the left$2\mathrm{.}0$gplastic button? Express your answer with the appropriate units. Part C What is the final speed of the right$2\mathrm{.}0$gplastic button? Express your answer with the appropriate units. Part D What is the final speed of the$5\mathrm{.}0$gplastic button? Express your answer with the appropriate units.