CAIE A Level Mathematics 9709 · Momentum

Momentum: calculation question

3 marksStandard

A particle of mass 2 kg moves with velocity 2 m/s. A second particle of mass 4 kg moves in the same direction with velocity 5 m/s. The particles collide and stick together. Find the common velocity vv of the combined mass after the collision, in m/s.

  1. (a)

    Calculate vv.

    [3]

Work it out, then check it

Your working is checked step by step against the answer key, with method marks, units and carried-forward errors handled the way a mark scheme handles them.

Answer this and get it marked, free

Free account, no card. Three marked written answers a day on the free plan.

How this question is marked

3 marks. Method marks are awarded for correct working even if the final answer is wrong, and a later part can still score if it correctly uses an earlier wrong answer.

More Momentum questions

All Momentum questions

Written by Markquill to follow the Cambridge International syllabus. Markquill is independent and is not affiliated with or endorsed by Cambridge International.