An electric motor does 580 000 J580\,000\text{ J}580000 J of work to hoist a load to the top of a construction site. It takes 8 minutes8\text{ minutes}8 minutes to complete this task.
What is the power of the motor?
1.2 kW1.2\text{ kW}1.2 kW
73 kW73\text{ kW}73 kW
4600 kW4600\text{ kW}4600 kW
280 000 kW280\,000\text{ kW}280000 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.