Please provide process for solving please

Energy Conversions and Work V = 0m/s Names 6N 4 kg V =0m/s A B Ff = 8N 8m Friction starts here d = ? - F 5m E Ff = 8NK 5m 2m Ff = 6N 6m C D WO-E=. WE-F= WA-B= WB-C= WBC= ETC= ETD= ETE= ETF = ETA= ETB = Ege = _ Egc = Ego = Ege = EgA = EgB = _ Ek= = Ekc = Eko = Eke = EKA = EkB = VE=_ de-F = VA = V8 =_ Vc=_ Vo = _