The table below shows the mass of four different athletes and the time taken for each of them to climb a vertical rope of the same height.
| Athlete | Mass of athlete / kg\text{kg}kg | Time taken / s\text{s}s |
|---|---|---|
| A | 50 | 15 |
| B | 50 | 25 |
| C | 75 | 15 |
| D | 75 | 25 |
Which athlete's power is greatest?
Athlete A
Athlete B
Athlete C
Athlete D
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.