(i)[4]
Determine the greatest speed reached by $P$ during the subsequent motion.
(ii)[3]
Find the distance below $O$ of the point where $P$ is momentarily at rest.
Mathematics 9709 · AS & A Level · Probability
Probability — practice question
A particle $P$ with mass $0.4\,\text{kg}$ is tied to a fixed point $O$ by a light elastic string whose natural length is $0.5\,\text{m}$ and whose modulus of elasticity is $20\,\text{N}$. $P$ is released from rest at $O$.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Using $T = \dfrac{\lambda x}{L}$, obtain $\dfrac{20e}{0.5} = 0.4g$.” …
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