(i)[4]
Determine the greatest speed of $P$ during the motion that follows.
(ii)[3]
Determine how far below $O$ the point is where $P$ is at instantaneous rest.
Mathematics 9709 · AS & A Level · Probability
Probability — practice question
A particle $P$ with mass $0.4\,\text{kg}$ is connected to a fixed point $O$ by a light elastic string whose natural length is $0.5\,\text{m}$ and whose modulus of elasticity is $20\,\text{N}$. The particle $P$ is released from rest at $O$.