plz answer fast I make them brai
Attachments:
Answers
Answered by
0
100 x 2+50×8+60×4÷1000
= 0.84 units
dry cell - chemical energy to mechanical energy
= 0.84 units
dry cell - chemical energy to mechanical energy
noyalashim6:
Pls mrk as brainliest
Answered by
0
(a) total power => 100+60+60+50 => 270W
=> 0.27 kW
total time in hours => 2+4+8=>14 hours
therefore energy consumed => 0.27*14
=> 3.78 J
=> 0.27 kW
total time in hours => 2+4+8=>14 hours
therefore energy consumed => 0.27*14
=> 3.78 J
Similar questions