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Question

A large number of bullets are fired in all directions with same speed v. What is the maximum area on the ground on which these bullets will spread


Your Answer
A
πv2g
Correct Answer
B
πv4g2
Your Answer
C
π2v4g2
Your Answer
D
π2v2g2

Solution

The correct option is B πv4g2
Area in which bullet will spread =πr2
For maximum area, r=Rmax=v2g[when θ=45]
Maximum area π R2max=π(v2g)2=πv4g2

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