Define impulse.
A small projectile of mass 1.2 × 10-4 kg is fired from a high-speed launcher. The launcher exerts an impulse of 0.024 N s on the projectile.
Determine:
the speed with which the projectile leaves the launcher
the kinetic energy of the projectile as it leaves the launcher.
The projectile, made of metal, melts upon high-speed impact with a target. Describe how the molecular structure of the liquid metal differs from that of the solid metal.
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.