1200 Ws = ..........J 10,8 MJ = ............... kWh 0,2 kWh = ................ J 32,4 * 10 ( do 9 potęgi) J = ............... kWh 25 kWh = ................... MJ NA JUTRO PROSZĘ, Z GÓRY DZIĘKI ;P
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Odp.
1200[Ws]=1200[J].
10,8[MJ]=10800000[J].
1[kWh]=1000*3600=3600000[J].
10800000 / 3600000=3.
10,8[MJ] = 3[kWh].
0,2[kWh]=0,2*3600000=720000[J].
32,4*10^9[J]=90000 [kWh];
25[kWh]=25*3600000=9*10^7[J].
1[MJ]=10^6[J].
x=9*10^7 / 10*6=9*10=90.
25[kWh]=90[MJ].