rahnispaul rahnispaul
  • 16-08-2022
  • Physics
contestada

A 40 W appliance is left on for 2 hours.
(a) Calculate the energy, in, that the appliance transfers during this time.

Respuesta :

msm555
msm555 msm555
  • 16-08-2022

288000 joule

Answer:

Solution given:

Power =40W

Time =2 hours= 2*60*60=7200 seconds

Now

Energy transfer = Power* Time

=40*7200

=288000 joule

or 288 kilo joule

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