Two conveyor systems, A and B, move parcels between floors in a warehouse.
The table gives data for one journey of each conveyor.
| Conveyor system | Total energy supplied in kJ | Energy dissipated in kJ | Time in s |
|---|---|---|---|
| A | 20 | 12 | 20 |
| B | 18 | 7.2 | 24 |
A conveyor system is suitable only if:
Which conveyor systems are suitable?
Conveyor system B only.
Both conveyor systems A and B.
Neither conveyor system A nor B.
Conveyor system A only.
128 exam-style questions on Edexcel GCSE Physics 8.3 Power and efficiency, covering 8.3.1 Power and 8.3.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.