Mathematics 9709/43 — May/June 2020

Cambridge A-Level · Mechanics · worked solutions for every part, with the mark scheme

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Topics Kinematics of Motion in a Straight Line · Newton's Laws of Motion · Forces and Equilibrium · Energy, Work and Power · Momentum

Q13MMomentumFree sample

Particles $P$ of mass $m\text{ kg}$ and $Q$ of mass $0.2\text{ kg}$ are free to move on a smooth horizontal plane. $P$ is projected at a speed of $2\text{ m s}^{-1}$ towards $Q$ which is stationary. After the collision $P$ and $Q$ move in opposite directions with speeds of $0.5\text{ m s}^{-1}$ and $1\text{ m s}^{-1}$ respectively.

Find $m$ .

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6 more questions

Q2Newton's Laws of Motion · Forces and Equilibrium · Energy, Work and Power4M
Q3Forces and Equilibrium6M
Q4Kinematics of Motion in a Straight Line7M
Q5Energy, Work and Power · Newton's Laws of Motion · Kinematics of Motion in a Straight Line9M
Q6Kinematics of Motion in a Straight Line9M
Q7Forces and Equilibrium · Newton's Laws of Motion · Kinematics of Motion in a Straight Line12M

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