Mathematics 9709 · AS & A Level · Representation of data

Representation of data — practice question

ABC is a uniform semicircular arc whose diameter is $AC = 0.5\,\text{m}$. It spins about a fixed axis through $A$ and $C$ at an angular speed of $2.4\,\text{rad s}^{-1}$.
(main)[3]

Calculate the centre-of-mass speed of the arc.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use $OG = 0.25 \sin(\pi/2)/(\pi/2)$.” …

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