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Elastic and inelastic collisions
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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. AS Level
  2. /Physics
  3. /Elastic and inelastic collisions

Step-by-step lessons on Edexcel AS Level Physics Elastic and inelastic collisions. Each one builds up to exam-style questions.

Lessons