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5.7 Momentum (HT only)

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Question 2
H

Figure shows two trolleys held together with a compressed spring between them. The trolleys are at rest on a level track. The spring is then released and the trolleys move apart.

Figure: Two trolleys held together by a compressed spring, before and after the spring is released

image

a.

Explain why the total momentum of the two trolleys is zero immediately after the spring is released.

[2]
b.

Calculate the velocity v v\,v of trolley Q immediately after the spring is released.

[3]
c.

The investigation is repeated with the spring compressed further. Describe the effect on the velocity of each trolley.

[2]
Markscheme

5.7 Momentum (HT only) Questions

  1. GCSE
  2. /Physics
  3. /5.7 Momentum (HT only)

40 exam-style questions on AQA GCSE Physics 5.7 Momentum (HT only), covering 5.7.1 Momentum is a property of moving objects, 5.7.2 Conservation of momentum, and 5.7.3 Changes in momentum. Each one has a worked solution and a mark scheme showing where the marks go.

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