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BITSAT 2019 Solved Question Paper
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© examsnet.com
Question : 13
Total: 150
A stone is thrown with a velocity u making an angle θ with the horizontal. The horizontal distance covered by its fall to ground is maximum when the angle θ is equal to
0°
30°
45°
90°
Validate
Solution:
(c) Since range on horizontal plane is
R =
u
2
s
i
n
2
θ
g
so it is maximum when, sin 2θ = 1
θ =
π
4
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