An electric motor produces 540 kJ of useful energy in 3.0 minutes3.0\text{ minutes}3.0 minutes.
What is the average power output of the motor?
3.0 kW3.0\text{ kW}3.0 kW
180 kW180\text{ kW}180 kW
1620 kW1620\text{ kW}1620 kW
97 200 kW97\,200\text{ kW}97200 kW
95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.