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Cambridge AS & A Level Physics

3Dynamics

Dynamics in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic92 practice questions4 lessons
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Lessons

  • Linear momentum and force as rate of change of momentum

    40 min

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  • Mass, weight and Newton's laws of motion

    45 min

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  • Friction, drag and terminal velocity

    35 min

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  • Conservation of momentum, collisions and explosions

    45 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Dynamics: sample question

1 mark

A 2.8 kg2.8\ \text{kg} trolley moving at 3.0 m s−13.0\ \text{m s}^{-1} collides with a stationary 1.2 kg1.2\ \text{kg} trolley and they move off together. What is their common velocity?

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