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Question 7

From Physics HL Paper 1 (May 2024, TZ2)

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  1. A firework rocket launched vertically explodes into two pieces X and Y when it reaches its maximum height. The mass of X is greater than that of Y.
    Three statements are made about the pieces immediately after the explosion:
    I. The kinetic energy of X is less than that of Y.
    II. The magnitude of the momentum of X is equal to that of Y.
    III. The total momentum after the explosion has increased.
    Which of these statements are correct?

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