A projectile of mass 0.15 kg travels horizontally at a speed of 120 m/s. It strikes a stationary block of mass 1.35 kg resting on a frictionless horizontal surface. The projectile embeds itself in the block. What is the speed of the projectile and the block immediately after the impact?
12 m/s12\text{ m/s}12 m/s
13 m/s13\text{ m/s}13 m/s
18 m/s18\text{ m/s}18 m/s
120 m/s120\text{ m/s}120 m/s
78 exam-style questions on CIE IGCSE Physics Momentum, covering Momentum. Each one has a worked solution and a mark scheme showing where the marks go.