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Question-60477

Question Number 60477 by Kunal12588 last updated on 21/May/19 Answered by tanmay last updated on 21/May/19 $${v}\frac{{dv}}{{dx}}=−{k}\left({L}−{x}\right) \\ $$$${intregating} \\ $$$$\frac{{v}^{\mathrm{2}} }{\mathrm{2}}=−{k}\left({Lx}−\frac{{x}^{\mathrm{2}} }{\mathrm{2}}\right)+{c} \\ $$$${v}_{}…

Question-125981

Question Number 125981 by 0731619177 last updated on 16/Dec/20 Answered by snipers237 last updated on 16/Dec/20 $${That}\:{is}\:{still}\:{equal}\:{to}\: \\ $$$${A}=\int\int\int_{{D}} \sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} }\:{dxdydz} \\ $$$${with}\:{D}=\left\{\left({x},{y},{z}\right)/\:\:\mid{y}\mid\leqslant\mathrm{3}\:,\mid{x}\mid\leqslant\sqrt{\mathrm{9}−{y}^{\mathrm{2}}…