Physics (AS & A Level) · Oct / Nov 2020 · Paper 11 · Question 17

Which amount of energy is not 2400 J?

1. Athe decrease in gravitational potential energy of a mass of 60 kg when it moves vertically downwards through 40 m near the Earth’s surface
2. Bthe energy transferred in 15 s by a machine of power 160 W
3. Cthe kinetic energy of a mass of 12 kg moving at a speed of 20 m s–1
4. Dthe work done by a gas expanding against a constant external pressure of 120 kPa when its volume increases by 0.020 m3

As printed in the paper