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Two balls are projected from the same point in directions inclined at 60° and 30° to the horizontal. If they attain the same maximum height, the ratio of their velocities of projection is : |
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Answer» `1:1` we get `(u_(1)^(2)sin^(@)60^@)/(2G)=(u_(2)^(2)sin^(2)30^@)/(2g)` `u_(1)^(2)/u_(2)^(2)=1/4xx4/3` `:. U_(1)/u_(2)=1/sqrt(3)` |
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