500 W = ......kW, 2,5 kW=.......W, 5 MW=..........kW=..........W Zamień jednostki pracy: 2000J=....kJ, 3,5 kJ=.....J, 2MJ=.....kJ=........J
500 W = ......kW, 2,5 kW=.......W, 5 MW=..........kW=..........W Zamień jednostki pracy: 2000J=....kJ, 3,5 kJ=.....J, 2MJ=.....kJ=........J