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2.7 Kinematics

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Question 29

A particle P P\,P travels along a straight line through a point OOO.

At time t t\,t seconds after passing through OOO, the displacement of P P\,P from O O\,O is x x\,x metres, where x=t3−15t2+62tx = t^3 - 15t^2 + 62tx=t3−15t2+62t

a.

Find the initial velocity of PPP.

[3]
b.

Find the value of t t\,t for which P P\,P has zero acceleration.

[2]
Markscheme

2.7 Kinematics Questions

  1. A Level
  2. /Maths
  3. /2.7 Kinematics

102 exam-style questions on WJEC A Level Maths 2.7 Kinematics, covering 2.7.1 Kinematics, 2.7.2 Kinematics, 2.7.3 Kinematics, and 2.7.4 Kinematics. Each one has a worked solution and a mark scheme showing where the marks go.

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