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Determine the larger of the two possible total losses of kinetic energy caused by the collision.
Mathematics 9709 · AS & A Level · Momentum
Momentum — practice question
Particles $A$ and $B$, with masses 3 kg and 6 kg respectively, are located on a smooth horizontal plane. At first, $B$ is stationary while $A$ is travelling towards $B$ at speed $8\,\text{m s}^{-1}$. After $A$ and $B$ collide, $A$ has speed $2\,\text{m s}^{-1}$.
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