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[H]Most Economical Shape of a Can

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EsX_Raptor United States2802 Posts April 07 2008 18:57 GMT #1 I need help w/ 1 & 2 plz http://www.stewartcalculus.com/data/ESSENTIAL CALCULUS Early Transcendentals/upfiles/projects/ecet_wp_0405_stu.pdf

MasterOfChaos Germany2896 Posts April 07 2008 19:08 GMT #2 express the volume as function of h and r express the surface as function of h and r now use this equation to express the surface as a function of V and h derive it dA/dh=0 results in the minimum now express V by h and r and solve the equation to obtain h/r when calculating the surface don't use pi*r^2 for the up/downside but the amount of material required for them (2r)^2 for part 1

EsX_Raptor United States2802 Posts April 07 2008 19:38 GMT #3 http://img368.imageshack.us/img368/4549/scan0005wt3.jpg

fight_or_flight United States3988 Posts April 07 2008 20:08 GMT #4 Sorry, don't have time to help you, but if you're really desperate, you can use the solutions manual.

Aurious Canada1772 Posts April 07 2008 20:27 GMT #5 Is it wrong that the moment I follow that link and see all those cylinders I see breasts?

EsX_Raptor United States2802 Posts April 07 2008 21:19 GMT #6 plz no off topic t.t

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