Question

the diamter of a copper sphere is 6 cm the shere is melted and is drawn into a long wire of uniform circular cross section. if the length of the wire is 36 cm then its radius is​

Answer 1

Answer:

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Step-by-step explanation:

VOLUME OF SPHERE = VOLUME OF WIRE

$\frac{4}{3} \pi (\frac{6}{3} ) = \pi r^{2} X 36\\\frac{4}{3} X3X3X3 = \pi r^{2} X 36\\\\ r^{2} = \frac{4X3X3}{36} = 1\\r = 1 cm$