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Momentum first

Momentum first

One-dimensional collision diagram showing two masses before and after impact with labelled velocities and the momentum conservation equation Momentum is defined by p=mvp = mvp=mv, so it depends on mass and velocity. Because velocity has direction, momentum is a vector and can be positive or negative in one-dimensional collision questions.

Elastic and inelastic collisions Lesson

  1. A Level
  2. /Physics
  3. /Elastic and inelastic collisions

Step-by-step lessons covering Edexcel A Level Physics Elastic and inelastic collisions for A Level Physics. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons