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Two particles are projected from the same point with the same speed u such that they have the same range R, but different maximum heights, h 1 and h 2 . Which of the following is correct ?

1. R 2 = h 1 h 2
2. R 2 = 16 h 1 h 2
3. R 2 = 4 h 1 h 2
4. R 2 = 2h 1 h 2

Correct answer: R 2 = 16 h 1 h 2

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