Q.
The range R of projectile is same when its maximum heights are h1 and h2.What is the relation between R, h1 and h2?
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a
R = h1h2
b
R = 2h1h2
c
R = 2h1h2
d
R = 4h1h2
answer is D.
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Detailed Solution
Range is same for angles of projection θ and 90-θR = u2sin 2θgh1 = u2sin2θ2g and h2 = u2 cos2θ2gHence, h1h2 = u2 sin θ cos θ2g = 14[u2sin2θg] = R4
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