A block of mass M M\,M travels horizontally to the right on a frictionless surface and collides with a vertical wall. Its speed immediately before the collision is uuu. It rebounds horizontally to the left with a speed vvv. What is the magnitude of the change in momentum of the block?
MuMuMu
MvMvMv
M(u−v)M(u - v)M(u−v)
M(u+v)M(u + v)M(u+v)
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.