Physics

Problem

A household uses a

300\,\text{W}

computer for

6\,\text{h}

each day and a

1.2\,\text{kW}

room heater for

2\,\text{h}

each day. Determine the total electrical energy consumed by both appliances in a

30

-day month. a. Give your answer in kWh. b. Also express the result in megajoules (MJ).