devinposton626
devinposton626 devinposton626
  • 06-12-2016
  • Physics
contestada

How much power does a toaster have if it does 21,000 joules of work in 30 seconds?

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AL2006
AL2006 AL2006
  • 07-12-2016

Power  =  (work done)  /  (time to do the work)

           =  (21,000 Joules)  /  (30 seconds)

           =   (21,000 / 30)  joule/sec

           =      700   watts  
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