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Edexcel IGCSE Math B 4 N Kinematics Applications Questions

Practise kinematics questions by interpreting distance-time or displacement functions, differentiating where needed and reading speed from gradients.

Syllabus
First assessment 2018
Course
Math B 4MB1

Exam points

  • Differentiate displacement functions to find velocity or acceleration at a time.
  • Use graph gradients to estimate speed from distance-time curves accurately.
  • Solve kinematics equations involving constants such as k and time t clearly.

Edexcel IGCSE Math B 4 N Kinematics Applications Questions question 1

[Maximum number: 2]

A particle P is moving along a straight line through the fixed point O.
The speed, v m/s, of P at time t seconds is given by
v=t227+2+3t2v=\frac{t^2}{27}+2+\frac{3}{t^2}
for 1⩽t⩽51\leqslant t\leqslant5.

The acceleration of P at time t seconds, where 1⩽t⩽51\leqslant t\leqslant5, is a m/s2^2.
Find an expression for a in terms of t.

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