An object has a mass of 800 kg. It moves with a speed of 25 m/s. What is its kinetic energy?
10 kJ10\text{ kJ}10 kJ
20 kJ20\text{ kJ}20 kJ
250 kJ250\text{ kJ}250 kJ
500 kJ500\text{ kJ}500 kJ
229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.