Physics (AS & A Level) · Feb / March 2017 · Paper 12 · Question 19

A car of mass 1400 kg is travelling on a straight, horizontal road at a constant speed of 25 m s⁻¹. The output power from the car's engine is 30 kW. The car then travels up a slope at 2° to the horizontal, maintaining the same constant speed. What is the output power of the car's engine when travelling up the slope?

1. A12 kW
2. B31 kW
3. C42 kW
4. D65 kW

As printed in the paper