Q.
Two stones are projected with the same speed but making different angles with the horizontal. Their ranges are equal. If the angle of projection of one is π/3 and its maximum height is h1, then the maximum height of the other will be
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a
3h1
b
2h1
c
h1/2
d
h1/3
answer is D.
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Detailed Solution
h2h1=u2sin2θ22g×2gu2sin2θ1=sin2θ2sin2θ1=sin2π/6sin2π/3=13⇒h2=h13
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