text: considering the can to be cyllidrical\nthe volume is\nV=πr^h  where r is the radius and h is the height\nnow dV=2πrhdr & dV=πr^2dh\n=> 2πrhdr=πr^2dh\n=> 2hdr=rdh\n=> dr/dh=r/2h\nnow  dr/dh > 1\nwhen r/2h > 1\n=>   r > 2h\nthis is seldom possible \ni.e. height has greater influence