Answer :
Power is given by;
[tex]P = \frac{E}{t} [/tex]
850 = [tex] \frac{E}{6 * 60} [/tex]
E = 850 * 360
E = 306000
E = 306 kJ
[tex]P = \frac{E}{t} [/tex]
850 = [tex] \frac{E}{6 * 60} [/tex]
E = 850 * 360
E = 306000
E = 306 kJ