Physics

Problem

When a photocopier operates steadily for

2.5\,\text{h}

, it consumes

4.32\times10^{8}\,\text{J}

of electrical energy. a. (i) Calculate the power rating of the photocopier in kilowatts. b. (ii) Express the electrical energy consumed during the

2.5\,\text{h}

operation in kilowatt-hours.