The range of R projectile is same when its maximum heights are h1 and h2. What is the relation between R1, h1, h2 ?
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120
R = u² sin 2Ф1 / g = u² sin (180 - 2Ф1) /g = u² sin 2(90-Ф1) /g
H1/R = tan Ф1 / 4 tan Ф1 = 4 H1 / R
R is same for Ф1 and 90-Ф1
H1 = u² sin² Ф1 / 2 g
H2 = u² sin² (90-Ф1) / 2 g = u² cos² Ф1 / 2 g
H1 + H2 = u²/2g
H1/H2 = tan² Ф1 = 16 H1²/R²
R² = 16 H1 H2
H1/R = tan Ф1 / 4 tan Ф1 = 4 H1 / R
R is same for Ф1 and 90-Ф1
H1 = u² sin² Ф1 / 2 g
H2 = u² sin² (90-Ф1) / 2 g = u² cos² Ф1 / 2 g
H1 + H2 = u²/2g
H1/H2 = tan² Ф1 = 16 H1²/R²
R² = 16 H1 H2
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Answered by
3
The other ans is wrong....
The correct ans is 4root h1h2
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