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2 Unit 2: Applied Mathematics A

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Question 14

In this question use g=9.8g = 9.8g=9.8 m s−2^{-2}−2

Two particles A A\,A and BBB, of masses 4 kg and 6 kg respectively, are connected by a light inextensible string passing over a smooth fixed pulley.

The particles hang freely with the string vertical on both sides of the pulley.

The system is released from rest with the string taut, with A A\,A resting on horizontal ground and B B\,B hanging 2 metres above the ground, as shown in the diagram below.

Figure for question 4

a.

Find the speed of B B\,B at the instant it reaches the ground.

[4]
b.

After B B\,B reaches the ground, A A\,A continues to move upwards freely. Find the further height risen by A A\,A before it comes to instantaneous rest.

[2]
Markscheme

2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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