please answer this
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Answer:
42 m
Step-by-step explanation:
see the attachment
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Answered by
1
Answer:
Length of wire = 7.2m
Step-by-step explanation:
Given that copper sphere is melted into cylindrical wire. vol. of sphere = vol. of cylinder. 4/3 Π r^3 =Πr^2.h 4R^3=3r^2.h . substitute values. 4×6^3 =3× 0.2^2×h 4×216 =3× 0.04×h 864=0.12 ×h h= 864 / 0.12 h= 7200cm h= 7.2m
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