Mathematics (AS & A Level) · May / June 2023 · Paper 43 · Question 1
9709
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Two particles P and Q, of masses 0.1kg and 0.4kg respectively, are free to move on a smooth horizontal plane. Particle P is projected with speed 4ms−1 towards Q which is stationary. After P and Q collide, the speeds of P and Q are equal. Find the two possible values of the speed of P after the collision. [3]
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