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2 marksKinematics and Dynamics

CAPE Applied Mathematics Unit 2 · 2015 · Paper 2 · Question 5(b)(i)

A particle, initially at the origin, moves in the plane with velocity v = 5t² i - (t - 4) j.

Find in vector form the acceleration when t = 3.

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Other parts of this question

  1. 5(a)(i)Draw a force diagram to illustrate this information.[3 marks]
  2. 5(a)(ii)The particle is released from rest. Determine the tension, T, in the string and the acceleration, a, of the particle.[8 marks]
  3. 5(a)(iii)Calculate the force exerted by the string on the pulley.[4 marks]
  4. 5(b)(ii)Find in vector form the position of the particle when t = 3.[4 marks]
  5. 5(c)A particle of mass m falls vertically from rest through a medium with resistance to motion proportional to v, where v is its velocity at time t. Obtain a…[4 marks]

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