A golf club head of mass 0.20 kg moves at 40 m/s and strikes a stationary golf ball of mass 0.045 kg. After the impact the club head moves in the same direction at 25 m/s. What is the velocity of the ball?
15 m/s15\ \text{m/s}15 m/s
33 m/s33\ \text{m/s}33 m/s
67 m/s67\ \text{m/s}67 m/s
178 m/s178\ \text{m/s}178 m/s
40 exam-style questions on AQA GCSE Physics 5.7 Momentum (HT only), covering 5.7.1 Momentum is a property of moving objects, 5.7.2 Conservation of momentum, and 5.7.3 Changes in momentum. Each one has a worked solution and a mark scheme showing where the marks go.