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10 marksKinematics and Dynamics

CAPE Applied Mathematics Unit 2 · 2017 · Paper 2 · Question 6(b)

A truck provides an impulse of 420\text{ N} to set in motion a stationary trolley of mass 45\text{ kg}, which then moves freely at velocity V_1 against a track resistance of 0.8\text{ N}\text{kg}^{-1}. The trolley reaches velocity V_2 after 5 seconds.

Calculate the velocities V_1 and V_2.

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Other parts of this question

  1. 6(a)(i)Determine the horizontal force P.[7 marks]
  2. 6(a)(ii)Determine the frictional force.[3 marks]
  3. 6(c)If the ropes are 60^\circ apart, determine the tensions in the ropes.[5 marks]

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