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Variable Acceleration

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Question 181

A particle P P\,P travels along a straight line such that at time t t\,t seconds, t≥0t \ge 0t≥0, after leaving the point O O\,O on the line, the velocity of PPP, v v\,v ms−1^{-1}−1, is modelled as

v=21+4t−t2 v = 21 + 4t - t^2 v=21+4t−t2

the magnitude of the acceleration of P P\,P when P P\,P is at instantaneous rest,

[5]
Markscheme

Variable Acceleration Questions

  1. A Level
  2. /Maths
  3. /Variable Acceleration

308 exam-style questions on Edexcel A Level Maths Variable Acceleration, covering 11.1 Functions of Time, 11.2 Using Differentiation, 11.3 Maxima and Minima Problems, 11.4 Using Integration, and 11.5 Constant Acceleration Formulae. Each one has a worked solution and a mark scheme showing where the marks go.

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