Exam-Style Problem
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June 2006 p4 q1
3979
A car of mass 1200 kg travels on a horizontal straight road with constant acceleration \(a \text{ m s}^{-2}\).
(i) Given that the car’s speed increases from 10 \(\text{m s}^{-1}\) to 25 \(\text{m s}^{-1}\) while travelling a distance of 525 m, find the value of \(a\).
The car’s engine exerts a constant driving force of 900 N. The resistance to motion of the car is constant and equal to \(R \text{ N}\).
(ii) Find \(R\).
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