Question

Define average power.An engine supplies 15000j of energy in one minute.calculate the power of engine in kilowatt

Answer 1

Average power =Work /time taken

The amount of work done in taken time t sec is called average power.

P=W/t

P=15000/60

P=250Watt

1000Watt=1 Kw(Kilowatt)

250 Watt=250/1000 Kw

           =0.25 Kw

Answer :- Power in kilowatt is 0.25 kW  .

Hope it will help you to solve your doubt !!