(a)[2]
Determine the constant speed of the bus.
(b)[1]
Determine the magnitude of the deceleration.
Mathematics 9709 · AS & A Level · Kinematics of motion in a straight line
Kinematics of motion in a straight line — practice question
A bus starts from rest and accelerates uniformly for $12\ \text{s}$. It then continues at constant speed for $30\ \text{s}$ before slowing down uniformly to rest over a further $6\ \text{s}$. The total distance covered is $585\ \text{m}$.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use constant acceleration equations or the area under a $v$-$t$ graph to form an equation in $V$, e.g. $6V + 30V + 3V = 585$ or $0.5(30+48)V=585$” …
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