a cubic metre of iron is drawn into a wire of diameter of 4 millimetre calculate the length of the wire
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the volume of the cube =1m³
the volume of the wire =1m³
and the diameter =4mm
and hence radius =2mm
volume of the wire =1m³
πr²h=1m³
π*(2/1000)²h=1m³
πh=1*(1000/2)²
πh=500²
h=2500*7/22m
the volume of the wire =1m³
and the diameter =4mm
and hence radius =2mm
volume of the wire =1m³
πr²h=1m³
π*(2/1000)²h=1m³
πh=1*(1000/2)²
πh=500²
h=2500*7/22m
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