A gun is firing bullets with velocity v0 by rotating through 360∘ in the horizontal plane. The maximum area covered by the bullets is
A
πv20g2
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B
π2v20g2
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C
π2v40g2
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D
πv40g2
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Solution
The correct option is Dπv40g2 Here the distance covered by the bullet is considered as radius r. Thus, the maximum range r=u2g=v20g. The maximum area covered by the bullets is A=πr2=π(v20/g)2=πv40g2