Question 697640
if a sphere of diameter 12 cm is melted and drawn into wire of diameter 0.2 cm,find lenght of wire?
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{{{Vol = 4*pi*r^3/3 = 288*pi}}} cc
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{{{Vol = pi*r^2*L = 288*pi}}}
{{{L = 288/(0.2)^2}}}
L = 7200 cm