In the previous problem, the velocity of the shell will beA. `30ms^(-1)`B. `30sqrt(2)ms^(-1)`C. `30sqrt(3)ms^(-1)`D. none of these

In the previous problem, the velocity of the shell will beA. `30ms^(-1

1.	In the previous problem, the velocity of the shell will beA. `30ms^(-1)`B. `30sqrt(2)ms^(-1)`C. `30sqrt(3)ms^(-1)`D. none of these
Answer» Correct Answer - b `45=H=(u^(2) sin^(2)45^(@))/(2xx10)implies 45=(u^(2).1//2)/(2xx10)` `u^(2)=45xx20xx2=90xx20impliesu=30sqrt2`

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In the previous problem, the velocity of the shell will beA. `30ms^(-1)`B. `30sqrt(2)ms^(-1)`C. `30sqrt(3)ms^(-1)`D. none of these

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