Physics, asked by mayankgoyal879ospbpr, 1 year ago

a 3000w oven is cooking your sunday roast for 1hour and 35 minutes .how much does it cost to cook it? please answer this question

Answers

Answered by prmkulk1978
3
Given :
Power= P=3000W=3000/1000=3KW
time=t=1 hour35min=1.58hrs
energy =E= ?
Formula to be used :
E=Pxt
=3x1.58
Energy consumed =4.74KwH

total cost= Energy consumed X cost per unit

As cost per unit is not given. It's difficult to calculate total cost.

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