gsanr820 gsanr820
  • 21-02-2018
  • Physics
contestada

A microwave oven with a power rating of 1,790 watts is used for 49 minutes. How much electrical energy is used by the microwave

Respuesta :

aimanadlinp4fyje
aimanadlinp4fyje aimanadlinp4fyje
  • 21-02-2018
1790 = electrical energy / 2940 seconds
Electrical energy = 5262.6kJ

or

1.79kW X 49/60
= 1.46kWh
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