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Two objects are projected with same velocity 'u' however at different angles α and β with the horizontal. If α + β = 90°, the ratio of horizontal range of the first object to the 2^nd object will be

Asked in JEE Main 25th Jan 2nd Shift 2023 · Range and angle of projection

Answer: (4) 1 : 1

Step-by-step solution

β = 90° - α ⇒ sin 2β = sin(180° - 2α) = sin 2α.

Same u, same sin 2θ: equal ranges, 1 : 1.

Why the other options are wrong

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