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a large no. of bullets are fired in all the directions with same speed from centre of circular field .the field is covered by walls of max. height?

a large no. of bullets are fired in  all the directions with  same speed from centre of circular field .the field is covered by walls of max. height?

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
 
maximum horizotal range of aprojectile is at angle of 45 degree.
range at this angle=v^2/g=radius of the cirrcle of maximum area
 
therefore area=pi v^4/g^2
 
Hence
Maximum height = u² sin² 2theta/2g = u²/2g

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