A toaster oven uses 67,500 joules of energy in 45 seconds to toast a piece of bread. What is the power of the oven?

1 Answer
Aug 3, 2014

P=W/t and W=Work

In this case, W=67,500J and t=45 seconds

Power is the ratio of Work per unit time. When you perform a work in a given span of time, the ratio of work performed with respect to time is called Power.

SI unit of Power is Watt(W).

So, P=67500/45

P=1500 W