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Question-136157




Question Number 136157 by BHOOPENDRA last updated on 19/Mar/21
Answered by mr W last updated on 19/Mar/21
v_1 =(√(u^2 +2gh_1 ))  v_2 =(√(2gh_2 ))  e=(v_2 /v_1 )=(√(h_2 /((u^2 /(2g))+h_1 )))
$${v}_{\mathrm{1}} =\sqrt{{u}^{\mathrm{2}} +\mathrm{2}{gh}_{\mathrm{1}} } \\ $$$${v}_{\mathrm{2}} =\sqrt{\mathrm{2}{gh}_{\mathrm{2}} } \\ $$$${e}=\frac{{v}_{\mathrm{2}} }{{v}_{\mathrm{1}} }=\sqrt{\frac{{h}_{\mathrm{2}} }{\frac{{u}^{\mathrm{2}} }{\mathrm{2}{g}}+{h}_{\mathrm{1}} }} \\ $$

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