Question

It take a clothes dryer 35 minutes to dry a load of towels. If the dryer uses 6,750,000 joules of energy to dry the towels, what is the power rating of the machine?

Answer 1

we know that, power(p) = work/time or, joule/ sec = watt,

so here we have to convert minutes to sec , now 35 minutes= 2100 secs .

now, p= 6,750,000/2100= 3214 watt (ans)

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