Physics (AS & A Level) · May / June 2019 · Paper 13 · Question 18
9702Gravitational potential energy and kinetic energy
On the surface of a planet, 30 J of work is done against gravity to raise a mass of 1.0 kg through a height of 10 m. How much work must be done to raise a mass of 4.0 kg through a height of 5.0 m on this planet?
- A15 J
- B60 J
- C120 J
- D200 J
As printed in the paper
Show the answer
Correct answer: B. 60 J
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.