a metallic cube of edge 1cm is drawn into a wire of diameter 4mm , then find the length of wire

a metallic cube of edge 1cm is drawn into a wire of diameter 4mm , the

1.	a metallic cube of edge 1cm is drawn into a wire of diameter 4mm , then find the length of wire
Answer» side of cube (a)= 1 cmvolume of cube = a³ = 1 cm³ = 1000 mm³volume of material remains sameSo,volume of cube = volume of wirevolume of wire = π r² × h1000 mm³ = π\xa0× (4/2)² × hh = 1000/[ π\xa0×\xa04]h = 250/π mm = 25/π cm\xa0